13 Crust. 
Titles. 
2600 
1910. — No. 19.] Washington D.C. 
Smithsonian Inst. Proc. U. S. Nation. 
Mus. 42 1912 (291-294). 216 
Polimanti, Osv. Studi di Fisiologia 
ctologica. II. Lo stato di immobility 
tcmporanea („morte apparente“-„To- 
tenstellung“) nei Crostacei Brachiuri. 
Zs. allg. Physiol. Jena 13 1912 (201- 
226). 217 
Popple, Edward. Some Irish Ento- 
mostraca. Irish Nat. Dublin 21 1912 
(220-221). 218 
Porter, Carlos E. Los Pinnothcridao 
do Chile. Bol. Mus. Nac. Santiago 
3 pt. 2 1912 (442-447). 219 
Potts, F. A. M ycetomorpha, a new 
Rhizocephalan (with a note on the 
sexual condition of Sylon). Zool. 
Jahrb. Jena Abt. f. Syst. 33 1912 (575- 
594) 2 Taf. 220 
Preston, IT. B. On a now gonus 
and species of marine parasitic Gastro- 
pod from the Indian region. (Fauna 
Symbiotica Indica, 2.) Rec. Ind. 
Mus. Calcutta 7 1912 (126-127) fig. 
221 
Pruvost, Pierre. Note sur les Ento- 
mostraces bivalves du terrain Houiller 
du Nord de le France. Lille Ann. 
Soc. geol. 40 1911 (60-80) pi. 222 
Przibram, Hans. Asymmotrio-Vor- 
sucho als Schliissel zum Bilatoralitats- 
Problomo. Vorh. Intern. Zool.-Kongr. 
Jena 8 (1910) 1912 (271-278) pi. i. 223 
Quidor, A. Sur la .torsion des 
Lernaeidae et les affinites du genre 
Sphyrion (Cuvier) et Ilepatophylus 
(n. g.). Paris C. R. Acad. Sci. 154 
1912 (87-89). 224 
Quidor, A. Affinites des genres 
Sphyrion (Cuvier) et Ilepatophylus 
(g. n.). Arch. zool. Paris s6r. 5 10 
1912 Notes et Revue (xxxix-1) 6 fig. 
225 
Racovitza, Emile G. Biospcologica 
xxvii. Cirolanides (Premiere serie). 
Arch. zool. Paris ser. 5 10 1912 (203- 
329) pis. xv-xxviii. 226 
Raff, Janet W. Notes on the 
Tsopod Phrealoicopsis terricola, Spencer 
and Hall. Viet. Nat. Melbourne 29 1912 
(70-71) pi. v. 227 
Rainer, Fr. J. Sur 1’ existence do 
cellules nerveuses sensitives dans l’in- 
testin terminal de l’Ecrevisse ( Astacus 
fluviatilis). Paris C. R. soc. biol. 73 
1912 (350-351). 228 
Rathbun, Mary J. New decapod 
Crustaceans from Panama. Washing- 
ton D.C. Smithsonian Inst. . Misc. 
Collect. 59 No. 13 (Pub. 2090) 1912 (1-3). 
229 
Rathbun, Mary J. Some Cuban 
Crustacea, with notes on the Astacidae 
by Walter Faxon, and a list of Isopoda 
by Harriet Richardson. Cambridge 
Mass. Bull. Mus. Comp. Zool. Harvard 
Coll. 54 1912 (449-460) pis. i-v. 230 
Richardson, Charles Howard, jun. 
vide Weymouth, Frank Walter. 
Richardson, Harriet. Description of 
a new species of isopod of the genus 
Cleantis from Japan. Washington 
D.C. Smithsonian Inst. Proc. U. S. 
Nation. Mus. 42 1912 (27-29) f. 1. 231 
Richardson, Harriet. Description of a 
new species of the isopod genus Cassi- 
dinidea from Mexico. Washington 
D.C. Smithsonian Inst. Proo. U. S. 
Nation. Mus. 42 1912 (107-108) ff. 1 2. 
232 
Richardson, Harriet. Description of 
a new isopod crustacean belonging to 
the genus Livoneca from the Atlantic 
coast of Panama. Washington D.C. 
Smithsonian Inst. Proc. U. S. Nation. 
Mus. 42 1912 (173-174) f. 1. 233 
Richardson, Harriet. Marine and 
terrestrial isopods from Jamaica. Wash- 
ington D.C. Smithsonian Inst. Proc. 
U. S. Nation. Mus. 42 1912 (187-194) 
ff. 1-3. 234 
Richardson, Harriet. Description of 
a new terrestrial isopod belonging to 
the genus Cubans from Panama. 
Washington D.C. Smithsonian Inst. 
Proc. U. S. Nation. Mus. 42 1912 (477- 
479) ff. 1-2. • 235 
Richardson, Harriet. Descriptions of 
two new parasitic isopods belonging to 
the genera Talaegyge and Probopyrus 
from Panama. Washington D.C. 
Smithsonian Inst. Proc. U. S. Nation. 
Mus. 42 1912 (521-524) ff. 1-8. 236 
Richardson, Harriet. Description of 
a new species of isopod belonging to 
the genus Apseudes from Ecuador. 
Washington D.C. Smithsonian Inst. 
Proc. U. S. Nation. Mus. 42 1912 (583- 
585) 1 fig. 237 
Richardson, Harriet. Descriptions of 
two new isopods, an Apseudes and a 
Munnopsis , both from the Galapagos 
