Article beginning on page 524.
Psyche 6:524, 1891.

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524 PSYCHE, rseptember 1893-
narrowly joined to the nearest median spot; in the figure these two spots are entirely sep- arate. The local examples are remarkable for bilateral symmetry, which the figure markedly lacks. The light markings of prim- ary in two of the local males are moderately more developed than in the Arizona male as figured. The two females have these light markings still more produced; in other re- spects they differ little from the males. Comparing the description of Arctia rem- issa of Hudson Bay, doubtfully named by
Henry Edwards as a new species (Entomo-
logica americana, January 1888, p. 184), I find my local examples true yarrowi as
distinguished from remissa, and not close enough to the latter to give much aid in determining its validity as a species. The color of the light markings on anterior wing of yarrowi is described in the text as "clear lemon-yellow"; in description of remissa it is stated as buff; in my local examplesof yarrowi the color is buff, modified by a slight tinge of olive.
That yarrows' is strictly alpine in this district is not certain, though strongly indi- cated by the facts so far learned.
If, in ad&"
tion, its occurrence in Arizona should prove to be at low elevation, such a combination would make a most singular case in geo-
graphical distribution. Probably, however, its occurrence in Arizona is entirely alpine. Thomas E. Bean.
ENTOMOLOGICAL No~~s.-The Division
of Entomology of the United States depart- ment of agriculture, has issued a circular regarding the appearance this year of either race of the "seventeen year locust," asking for any confirmatory experience as to the
appearance or non-appearance of the insects in any locality. Any evidence giving the extent of territory over which they appear or any well-attested dates of their appearance in previous years, will be thankfully received and appreciated. The following list is pre- pared from previous records.
Brood XV1.-Tredecim-(1880, 1893).
Alabama.-Lowndes County.
Georgia.-Cobb and Cherokee Counties.
Tennessee.-Lincoln County.
North Carolina.-Lincoln and Moore
Counties.
This brood is but little known, and -all require further confirmation this year.
Brood XI.-Septendecim~(1876, 1893).
North Carolina.-From Raleigh, Wake
County, to the northern line of the
State; also in the counties of
Rowan, Davie, Cabarrus, and Ire-
dell.
Virginia.-From Petersburg, Dinwiddie
County, to the northern line of the
State; Bedford and Rockbridge
Counties; Valley of Virginia from
the Potomac River to the Tennessee
and North Carolina lines.
District of Columbia.-Woods north of
Washington.
Maryland.-Southern half of St. Mary's
County.
Kentucky.-Trimble County.
Indiana.-Knox, Sullivan, and Posey
Counties.
Illinois. -Madison County.
Kansas.-Dickinson and Leavenworth
Counties.
Colorado.-Cheyenne Canyon.
This is a well-established brood, most of the localities in the Eastern States as well as those in Indiana and Illinois having been verified in the past years; but the localities in Kentucky and Kansas require confirma- tion, and that in Colorado is extremely
doubtful.
Professor Riley in his interesting address on parasitism in insects, printed in the Pro- ceedings of the entomological society of Washington, has, apparently, overlooked
the fact that the "genuine oestrid larva" recorded and figured by Packard as taken from under the skin of the back of the neck of the box turtle, Cistudo ca~olina, has been proved by Wheeler (Psyche, v. 5, p. 403) to be a species of Sarcophaga.




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September 1893.1
PSYCHE.
Mr. J. M. Aldrich, lately of Lawrence, Kan- sas and formerly entomologist to the experi- ment station at Brookings, S. Dakota, has been appointed entomologist to the expei-i- ment station at Moscow, Idaho.
Rubsaamen has published in the Berliner
entomologische zeitschrift (v. 37) a system- atic study of the Cecidomyidae of the Berlin museum, accompanied by 14 plates illus-
trating the structure of the wings, abdominal appendages, antennae, head, pupae and
-breast, bone". They are divided into 2 sub- families and 23 genera, 4 of them new; 80 species are considered.
The first (double) number of the same
journal for 1893 is given up to the first instal- nient of a description by Karsch of the insects of Adeli, West Africa, consisting of the Apterygota, Odonata, Orthoptera saltatoria, and butterflies.
Aldrich publishes in the first part of vol. a of the Kansas university quarterly a re- vision of the N. American species of the dipteran genera Dolichopus and Hygroceleu- thus, 81 of the former (21 new) and s;
of the
latter (I new). An excellent plate is added, especially devoted to antennae.
Moore's Lepidoptera Indica (part 15) is
still occupied with the Satyrinae; the early stages of only one species are figured, but the wet-season and dry season broods of eight species are distinguished.
PROCEEDINGS OF SOCIETIES.
CAMBRIDGE ENTOMOLOGICAL CLUB.
14 April, 1893.- The 178th meeting was
held at 156 Brattle St., Mr. S. Henshaw in the chair. Mr. H. A. Morgan of Baton
Rouge, La., was elected to active member- ship.
Mr. S. H. Scudder showed the fossil fly
from Florissant which he had described under the name of Mycetophaetzis intermedias
Owing to a suggestion of M. Ch. Brongniart of Paris he had re-examined the specimen and found that he had been mistaken in re- ferring it to the Mycetophilidae, since the antennae are brief and not very long as he had supposed and the relative stoutness of the legs showed that notwithstanding its ap- parently spurred tibiae and small size it belonged to the neighboring family
Bibionidae and to the genus Penthetria, an existing genus already well-known in tertiary deposits.
Mr. A. G. Mayer remarked on the
lepidopterous fauna of the Bahamas
which
he had just visited. All the species found by him, with the exception of a Utetheisa, are strong fliers, as the weak fliers are blown off shore by the trade winds. Anosia $ex- ippus was seen as well as species of Pieridae, Heliconidae and Hesperidae. The fauna and flora seem derived largely from the United States, though in part from South America. Mr. Scudder called attention to a recent paper by Elampson on stridulation in
Lepidoptera and said he had heard a clicking sound from Polygonia faunus on Mt. Wash- ington, N. H. Mr. Mayer said he had
observed the same in P. interrogationis. Mi-. A. P. Morse exhibited specimens of
the pupae and imagines of a moth found
feeding on woolens; also the opened egg
cocoon of a spider which in nature bore a considerable resemblance to an oak apple. Dr. H. S. Pratt stated that he had recently been engaged in studying the enlbryology of the sheep tick. The head is developed in the embryo but is concealed in the larva by two imaginal disks, which are formed by
invagination on the dorsal side at some dis- tance from the anterior end; they remain latent during the larval state and in the pupa are developed into the head. The larva
bears considerable resemblance to that of the fly.




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