[1922J 
IX. Crustacea. 
Crust. 9 
170. — Pierantoni, U. Note di 
morfologia e svillupo sui fotofori degli 
Eufausiacei. Pubbl. Staz. Zool. 
Napoli 3 1921 pp. 166-186 text-figs. 
171. — Porter, C. E. Los Crustaceos 
Decapodos Chilenos del Museo Nacional. 
Bol. Mus. Nac. Santiago 7 1914 pp. 275- 
277. 
172. — Porter, C. E. Los Hippidea de 
Chile. Bol. Mus. Nac. Santiago 8 1915 
pp. 12-20 text-figs. 
173. — Porter, C. Los crustaceos de la 
espedicion a Taitao. Bol. Mus. Nac. 
Santiago 10 1917 pp. 94-101 text-figs. 
-174. — Poulton, E. B. Experimental 
■evidence that commensalism may be 
beneficial to Crustacea. Proc. Zool. 
soc. London 1922 pp. 897-898. 
175. — Poulsen, E. M. On the 
frequency and distribution of Crangon 
vulgaris, Carcinus maenas, and Portunus 
holsatus in the Danish coastal waters. 
Medd. Havunders ser. Fisk. Kobenhavn 
6 No. 7 1922 pp. 1-18 text-figs. [With 
Danish resume.] 
176. — Pruvost, P. Sur une empreinte 
de patte d' Arthropleura trouvee au 
Charbonnage de Courcelles-Nord. Ann. 
soc. sci. Bruxelles 41 1921 pp. 104-106 
text-fig. 
177. — Racovitza, E. G. Descriptions 
des trois Asellus (Isopodes) caverni- 
eoles nouveaux (Note preliminaire). 
Bui. soc. Stiintje Cluj 1 1922 pp. 401- 
410. 
178. — Rathbun, M. J. New species 
of crabs from Curatjoa. Proc. Biol. soc. 
Washington 35 1922 pp. 103-104. 
179. — [Riabinin, A.] Patfuimii, A. 
3aMeTua o neKOTopux HCKonaeMwx. 
Phyllocarida. [Notiz fiber einige 
fossile Phyllocarida.] Ann. soc. pal. 
Buss. Petrograd 3 1921 pp. 23-31 
pi. iv. [German resume pp. 31-32.] 
Richardson, Harriet vide Searle, H. R. 
180. — Ritchie, J. The Epidemic 
among Roach ( Leuciscus rulilus) on the 
Forth and Clyde Canal during the 
summer, 1916. Glasgow Nat. 8 1921 
pp. 160-163. 
181. — Rivera, V. Osservaziono e 
rilievi sopra alcuni xilofagi marini 
rinvenuti nell’ interno dei cavi tel- 
grafici. Boll, bimest. R. comit. Talasso- 
graf. Ital. Venezia 5 1915 pp. 34-36 pi. 
182. — Robert, H. L’emploi du filet 
et de la pompe dans les peches de 
plancton. Ann. biol. lacustre Bruxelles 
11 1922 pp. 208-240 pis. i-ii. 
183. — Ross, L. S. Cytology of the 
large nerve cells of the crayfish ( Com - 
barus). J. Comp. Neur. Philadelphia 34 
1922 pp. 37-71 pis. i-v. 
184. — Ruedeman, R. On the occur- 
rence of an Apus in the Permian in 
Oklahoma. J. Geol. Chicago III. 30 
1922 pp. 311-318 text-figs. 
185. — [Rylov, V. M.] Pujiobt., B. M. 
BaMfiTHa o Calanipeda aquae-dulcis 
Kritsh. h o Poppella guernei Richard. 
(A note on Calanipeda aquae-dulcis 
Kritsh. and on Poppella guernei 
Richard.) Trav. soc. Nat. Petrograd 48 
1917 pp. 64-74 text-figs, -f pp. 80-81. 
(English resume.) 
186. — [Rylov, V. M.] Pljjiob, B. M. 
K 6iiOJioruH Diaptomus amblyodon 
Marenz. (Copepoda, Calanoida.) [On 
the biology of Diaptomus amblyodon , 
Marenz.] Trav. soc. nat. Petrograd 51 
1920 pp. 29-36 text-figs. [Engish 
resume pp. 50-51.] 
187. — [Rylov, V. M.] IPlijiob, B. M. 
0 hoblix BHAax Copepoda -Calan- 
oida. (On new species of Copepoda- 
Calanoida.) Trav. soc. nat. Petrograd 
52 1921 pp. 67-78 text-figs. [English 
resume pp. 167-170.] 
188. — Sars, G. O. An account of the 
Crustacea of Norway with short 
descriptions and figures of all the specie?* 
Ostracoda 9 pts. i and ii 1922 pp. 1-32 
pis. i-xvi. (Cyprinidae, Conchoeciidae, 
Polycopidae (pt.).) 
189. — Schaferna, K. Uber eine neue 
Dikerogammarus-art aus dem Kaukasus. 
Bull. Intern. Acad. Prague 19 1914 
pp. 169-173 pis. i-ii. 
190. — Schaper, P. Beitrage zur 
Kenntnis der Cirripodia Thoracica der 
Nord- und Ostsee. Wiss. Moercsunters. 
Kiel 19 1922 pp. 211-253 text-figs. 
191. — Scheffelt, E. Das Zooplankton 
des Chiemsees im Hochwasserjahr 1920. 
Arch. Natg. Berlin 88 A Hft. 9 1922 
pp. 1-53 text-figs. 
