ZOOLOGY AND BOTANY, MICROSCOPY, ETC. 587 



Trichoniscus pusillus Brandt, T. pygmceus, T. roseus Koch, and other 

 British forms. 



New Terrestrial Isopod.* — Richard S. Bagnall describes Philoseia 

 patimcei sp. n., a new Isopod which he secured along with a new 

 spider, f Ischnothyreus velox Jackson, and a new Tartarid, Trithyrem 

 hai/ null ii Jackson, from a hothouse at Kew. It bears a strong re- 

 semblance to Trichoniscus pusillus, and is nearly related to Philoseia 

 couchii. It is of further interest on account of the small size (3 mm. 

 by 1*2 mm.). Its colour is Yiolet brown, marbled with white, with 

 a broken median band along the back of the mesosome. 



New Entoniscid. J — H. Coutiere describes Synalpheion giardi 

 g. et sp. n., from Synalpheus longicarpus Herrick, the first Entoniscid 

 to be found infesting a Macruran. The others occur in crabs. The new 

 form is closely allied to Eaton isc us from Por cell ana. 



Dendrogaster.§ — Otto le Roi describes D. arboresceas - le Roi f rom 

 the body-cavity of Dipsacaster sladeni, and D. ludwigi le Roi from 

 Echinaster fallax. He was fortunate enough to find the male of the 

 former in the " mantle-cavity " of the female. The full account given 

 is an important addition to our knowledge of these extraordinary 

 Cirripedes, known as Ascothoracidse. There are only four others as 

 yet known — Laura gerardice Lacaze-Dutbiers, Petrarca bathyactidis 

 Fowler, Synagoga mira Norman, and Dendrog aster aster kola Knipow. 



New Cave Copepod.|| — E. Grater describes Cyclops crinitus sp. n., 



a colourless hyaline Copepod, from the Holl-loch, the largest Swiss cave 

 (Canton Schwyz), which extends for several kilometres into the moun- 

 tain. He contrasts it with G. viridis and C. capillatus, and with another 

 form, G. teras -Grater, which occurs in the same cave, and is blind. 

 He also reports G. unisetiger sp. n. with a single f ureal seta, from a Jura 

 cave. 



North American Caligidae.f — Charles Branch Wilson continues his 

 account of North American parasitic Copepods belonging to the family 

 Caligidae. He establishes two new sub-families, Trebinae and Eury- 

 pborinae, and describes a new species, Dysgamus ariommus, besides 

 figuring some important forms like Alebion gracilis. The larval stages 

 of the latter and of others are given. The artificial keys include all 

 the known genera and species. 



Median Eye of Ostracods.** — M. Nowikoff has studied the eye of 

 Cypris virens, Eurycypris pubera, and other species. He describes in 

 detail the four component parts — the pigment-cup, the tapetum, the 

 optic cells, and the lens. 



* Ann. Nat. Hist., ser. 8, i. (1908) pp. 428-31 (1 pi.). 



t Trans. Nat Hist. Soc. Northumberland, Durham, andNewcastle-upon-Tvne 

 iii. (1907) pp. 49-78 (1 pi.). 



X Comptes Rendus, cxlvi. (1908) pp. 1333-5. 

 § Zeitschr. wiss. Zool., Ixxxvi (1907) pp. 100-33 (2 pis.). 

 || Zool. Anzeig., xxxiii. (1908) pp. 45-9 (3 rigs.). 



f Proc. U.S. Nat. Museum, xxxi. (1907) pp. 669-720 (6 pis. aud 19 rigs.). 

 ** Zeitschr. wiss. Zool., xci. (190S) pp. 81-92 (1 pi. and 1 fi.j ). 



