CRUSTACEA. 309 
This memoir is on the structural distinctions between the 
sexes of the genus Halocypris, 
Costa, A. Sopra una specie Mediterranea del genere Lestri- 
gonus, Eendic. Accad. Sc. fis. e matemat. Napoli, 1865, 
Feb. p. 34, 
— — . Di due nuove specie di Crostacei Amfipodi del Golfo di 
Napoli.^ Annuario del museo zoologico della R. University 
di Napoli, 1864, Anno ii. pp. 153-157. 
The Crustacea in this museum are few in number, and col- 
lected from various countries. The local species are few. A 
new Protomedeia and Ampelisca are described in the present 
memoir. ' 
Edwards, A. Milne-. Revisions ‘des Crustaces macrures de la 
famille des Atyoidees. Ann. Soc. Entomol, France, Paris, 
1864, iv. pp. 145-153, pi. 3. 
• . Note sur un Crustace decrit comme fossile et qui vit 
encore aujourd^hlii dans Focean Indien. Ann. Sc. Nat. 
1865, iii. pp. 193-196. 
Gerbe, Z. Notes sur les metamorphoses des Crustaces marins. 
Compt. Rend. 1865, pp. 79-87, 103; also in Rev. Mag. 
Zool. 1865; also Ann. & Mag. Nat. Hist. 1865, xv. pp. 237 
& 356. 
This memoir discusses the relative connexions of the young 
of Palinurus with the genus Phyllosoma, 
Grube, E. Ueber die Gattungen Estheria und Limnadia^ und 
einen neuen Apus. Arch, fiir NatUrg. 1865, xxxi. pp. 203- 
283, taf. viii. und ix. 
This memoir discusses upwards of forty species of Estheria 
from all parts of the world, and describes and figures a new 
species of Apus from Algiers. 
Heller, C. Kleine Beitrage zur Kenntniss der Siisswasser- 
Amphipoden. Verb, zoolog.-bot. Gesellsch. Wien, xv. 
1865, pp. 979-984, tab. xvii. 
This short memoir is a contrilnltiori to our knowledge of the 
freshwater Amphipoda; it contains a new species of Orchestia 
and of Gammai'US, and a revision of the known freshwater species 
of Southern Europe. Dr. Heller accepts the genus Gammarus 
of Fabricius as the genus, regarding the genus Gammarus as 
defined in the British Museum Catalogue of Amphipoda and 
British Sessile-eyed Crustacea, together with Niphargus of 
Schjodte, as subgenera. 
[The genus Gammarus was founded by Fabricius on Cancer 
pulex of LinuEcus; and strictly to the definition of that type 
