10 Crust . 
CRUSTACEA. 
118. [Packard, A. S.] On the Structure of the Brain of the Sessile¬ 
eyed Crustacea. Mem. Nat. Ac. Sci. iii. p. 99, and Abstract in Am. 
Nat. xix. pp. 85 & 86; also J. R. Micr. Soc. 1885, p. 238; 1886, 
p. 69. 
Compares the brains of Asellus communis and of the blind Ceciclotea 
from wells and caves. They differ merely in the presence or absence of 
the optic ganglia and nerves, the latter disappearing in degeneration 
before the retina, pigment, and lens. 
119. Cs Pelseneer, P. Notice sur un Crustace de la craie brune des 
environs de Mons. Bull. Mus. Belg. iv. pp. 37-46. 
120. --. The Nervous System of Apus. Q. J. Micr. Sci. xxv. 
pp. 433-444. [Abstr. J. R. Micr. Soc. 1885, p. 805.] 
Clearly shows brain of Apus to be a syncerebrum, the ganglia of the 
first antennas being fused with the primitive supra-oesophageal ganglia. 
The ganglia of the second antennae and maxillipeds are still microscopi¬ 
cally recognizable. 
121. °Plateau, F. Note sur des Orustaces et des Myriapodes recueillis 
par M. Weyers aux environs d’Aguilas, Espagne. C.R. ent. Belg. 
xlviii. pp. 260 & 261. 
122. -. Force absolue des muscles des Invertebres. Arch, Z. exper. 
iii. p. 189. 
Noticed in Zool. Rec. xxi. Crust, p. 5. 
123. Plessis-Gouret, G. du. La faune profonde des lacs Suisses. N. 
Denk. schw. Ges. xxix. Abth. 2 [ Crustacea , pp. 43-48]. 
124. Poppe, S. A. Die freilebenden Copepoden des Jadebusens. I. 
Abh. Ver. Brem. ix. 2, pp. 167-206. 
125. Quenstedt, F. A. Handbuch der Petrefaktenkunde. 3rd ed. 
Tubingen : 1885, 8vo [ Crustacea , pp. 393-470]. 
126. Ratpibun, R. A Crab Invasion at Cuba. Science, vi. p. 132. 
127. -. The Fishery Industries of the United States. Section i., 
Useful Aquatic Animals. Washington : 1884, 4to. 
Crustacea , pp. 763-829; reports on use by man, habits, life- 
history, etc. 
/ 
128. Raveret-Wattel, M. C. Sur la maladie des Ecrevisses. Bull. Soc. 
Acclim. ii. pp. 614-633. 
129. Richard, M. Action de la cocaine sur les Invertebres. C.R. c. 
p. 1409. 
Experiment on Daphnia. 
130. ° Riggio, G. Appunti di Carcinologia Siciliana sul Polycheles doder- 
leinii. Nat. Sicil. 1885, pp. 99-104 & 140-146. 
Proposes to divide the fam. Eryontidce into 2 sub-famm. : Erionini 
and Polychelini, fossil and recent. Polych. docl. = P. typhlops (Hel¬ 
ler). 
