_Hyale_ sp. One red, L. 4 mm. One dark L. 6.5 mm. One pink-brown from sulphur sponge. L. 7 mm. One rose on back, ringed with white. One yellow green back, L. 5.5 mm. One yellow, pink antennæ, holdfast L. 11 mm. One brown from algæ L. 5 mm. One rose brown. L. 6 mm. _Orchestoidea corniculata_ Stout. Green grey, bluish antennæ L. 14 mm. _Lembos_ sp. bands on body. L. 6 mm. From holdfasts. _Microprotopus_ sp. Bands on body. L. 6 mm. _Photis californica_ Stout. Bands on body. Holdfasts. _Neophotis inequalis_ Stout. Brown and red. L. 6 mm. Holdfast. _Amphithoe corallina_ Stout. Yellow, green antennæ. L. 8 mm. Another mottled white and black L. 10 mm. Another brown white legs two white spots on the sides. One with green eggs L. 9 mm. _A. vaillantii_ H. Lucas. Bright Red, L. 13 mm. Dredged 10 f. Aug. 17. _A. rubricata_ Montagu (?) Brownish green, yellow spots on sides. Aug. 12, 1915. _Amphithoe_ sp. Pink, red antennæ, L. 11 mm. _Amphithoe_ Yellow, pink antennæ. Holdfast. W. A. H. (_Contribution from the Zoological Laboratory of Pomona College_) Journal of Entomology and Zoology--_Advertising Section_ ====================================================================== _The_ Journal _of_ Zoological Research _Edited by WALTER E. COLLINGE, M. Sc., F. L. S., F. E. S. The Gatty Marine Laboratory The University, St. Andrews, Scotland_ The subject matter is strictly confined to original zoological research--systematic and anatomical. Fully illustrated by lithographic plates and text figures. Each volume will consist of 4 parts, price $5. _All subscriptions should be forwarded to_ Messrs. Dulau & Co., Ltd. 37 Soho Square, London, W., England ====================================================================== GRIFFITH Incubators [Illustration] A simple, well constructed bacteriological incubator ====================================================================== GAGE--The Microscope An Introduction to Microscopic Methods and to Histology By SIMON H. GAGE. Twelfth Edition. Entirely rewritten, and with many new illustrations. Price, postpaid, $3.00. This work aims to give help to everyone who uses the microscope, whether he is a beginner or an advanced worker. COMSTOCK--A Manual for the Study of Insects By JOHN HENRY COMSTOCK, Professor of Entomology in Cornell University, and ANNA BOTSFORD COMSTOCK, member of the Society of American Wood-Engravers. 8vo. cloth, IX.+701 pages, 797 figures in the text, and six full page plates. Nearly all of the figures were engraved especially for this work. Postpaid $4.07; net $3.75.