25 Moll. 
Titles. 
2200 
Ricklefs. Ein paar Benierkungen. 
Frankfurt a. M. NachrBl. D. malako- 
zool. Ges. 46 1914 (78-79). 488 
Ritchie, James. The fauna of a 
coal-pit at great depths. Scot. Nat. 
Edinburgh 1914 1914 (181-188). 489 
Ritzema Bos, J. De geelgevlekte 
wormslak ( Qeomalacus maculosus All- 
man), eene tot dusver in ons land 
onbekende, schadelylce slak. Tydschr. 
Plantenziekten Wageningen 20 1914 
(55-68) 1 Taf. 490 
Rivers, J. J.» A new species of 
Bnthytoma from the Upper Pleisto- 
couo of San Pedro, Cal. Los Angolos 
Bull. Soc. Cal. Acad. Sci. 12 1913 (29) 
1 pi. 491 
Rivers, J. J. A new form of Bathy- 
toma from the upper Pleistocene of 
San Pedro, Cal. Nautilus Boston 
Mass. 28 1914 (64-65) pi. iii [pars.]. 
492 
Robertson, G. H. On a pigment 
in Oysters. Wellington Trans, and 
Proc. N. Zeal. Inst. 46 1913 1914 
(247-248). 493 
Robson, Guy C. Report on the 
Mollusca collected by the British 
Ornithologists’ Union Expedition and 
the Wollaston Expedition in Dutch 
New Guinea. London Trans. Zool. 
Soo. 20 1914 (287-304) pis. xxxii & 
xxxiii. 494 
Robson, Guy C. On a collection of 
Land and Freshwater Gastropoda from 
Madagascar, with descriptions of now 
genera and new species. London J. 
Linn. Soc. Zool. 32 1914 (375-389) 
pi. xxxv. 495 
Robson, G. C. Molluscan rubber pests. 
J. Conch. Loods 14 1914 (225). 490 
Robson, G. C. Cephalopoda from 
the Monte Bello Islands. London 
Proc. Zool. Soc. 1914 (677-680). 497 
Robson, G. C. vide Longstaff, Jane. 
Roebuck, W. Denison. Census 
authentications. J. Conch. Leeds 14 
1914 (223-224). 498 
Roebuck, W. Denison. Census 
authentications from the Kelvingrove 
Museum, Glasgow. J. Conch. Leeds 
14 1914 (162-163). 499 
Roebuck, W. * Denison. Limax 
tenellus in Surrey. J. Conch. Leeds 
14 1914 (148). 500 
Roebuck, W. Denison. Conchology. 
Naturalist London 1914 1914 (183- 
184). 501 
Rollier, Louis. Fossiles nouveaux 
ou peu connues des Terrains Secondaires 
(M&sozo’iques) du Jura et des contr6es 
environnantes. Zurich Abh. Schweiz, 
pal. Ges. 39 1913 (149-318) pis. xiii- 
xx. 502 
Roman, F. Etude sur la faune 
de C6phalopodes de l’Aalenien Superieur 
do la Vallee du Rhone (zone a Lud- 
wigia concava). Lyon Ann. soc. linn. 
60 1913 1914 (45-69) 4 pis. 503 
Roman, F. vide Doperet, Ch. 
Roman, F. vide Riaz, A. Do and 
Riche, A. 
Romy, M. vide Piaget, J. 
Rosen, Otto. Katalog der Schalen- 
tragenden Mollusken des Kaukasus. 
Tiflis Mitth. Kavk. Mus. 0 1914 (141— 
252) pis. i-iii. 504 
Roszkowski, W. Contributions k 
l’6tude des Limn6es du Lac Leman. 
Rev. Suisse Zool. GenAve 22 1914 
(457-539) pis. xiv-xvii. 505 
Roszkowski, Waclaw. Note sur 
l’apparoil g6nital de Limnaeci auri- 
cularia L. Zool. Anz. Leipzig 44 1914 
(175-179). 506 
Roth v. Telegd., Karl. Eino oboroli- 
goziino Fauna aus Ungarn. Geologica 
Hungarica 1 1914 (5-77) pis. i-vi. 507 
Roundy, P. V. Original color 
markings of two species of Carboni- 
ferous Gastropods. Amer. J. Sci. 
New Haven Conn. Ser. iv 38 1914 
(446-450) pi. iii. 508 
Rzymowska, T. Contribution k 
l’6tudo anatomiquo ot histologiquo 
d’ Helix barbara. Rev. Suisse Zool. 
• Gen6ve 22 1914 (277-319) pi. viii-ix. 
509 
S., A. W. Mollusca — (Land and 
Freshwater). Recent. Belfast Rep. 
Nat. F. Cl. Ser. ii 7 1914 (87-89). 510 
Salfeld, Hans. Die Gliederung des 
oberen Jura in Nordwesteuropa von 
den Schichten mit Perisphinctes Mar- 
telli Oppel an aufwarts auf Grund von 
Ammoniten. Mit vergleichendstrati- 
graphischen Bemerkungen liber don 
oberen Jura Siiddeutschlands, der 
Schweiz, Mittel- und Siidfrankreichs, 
alpiner Gebiete, Pommerns und Russ- 
