207 Echinodeima 



212040 Fisher, Waller K. 3{>.;i Tropliodisous (26.5) 



1J>17. TrophodiscKs, a Now Soa 8tar from Kamchatka. Proc. I'. S, ua- 

 tiou. Mas. Vol. 52 p. 807—371, 3 pis. [n. g. almus n. sp.] 



41 Hilton, AYilliam A. 39.4 : 14 SI 



l})l<i. The Central Nervous System of Serpent Stars. Jouru. Entoni. 

 Zool. Clareiiumt Vol. 8 p. 171—175, 1 pi. 



42 Mortensen, Tli. 30.4 (26.7) 



1J)14. On the alleged primitive Ophiuroid Ophinterema elegans Rki.i, ; with 

 description of a new species of Ophiothela. Mindeskrift Japetiis JSteeu- 

 strup 1. Halvhd. No. 10, 18 pp., 2 pis., 3 tigg. [Ophiothela vincitla n. sp.] 

 4a Clark, Austin H. 3J).4 !26.7) 



1917. Two New Ophiurans from the China Sea. Proc. biol. Soc. Wash- 

 ington Vol. 30 p. 13 — 16. [Ophiopteron illation and Ctenamphiuru sinensis 

 nn. spo.] 



44 Hilton, W. A. 39.4 «orgouoceplialus (79.4) 



1916. An Interesting Basket Star from Lasuna Beach. Journ. Eutoiu. 

 Z<»ol. Claremont Vol. 8 p. 17 — IS, 1 fig. [Gorgonocephnlus eucnemis.] 



45 Clark, Austin H* 39.4 Ophioinitra (52) 



1916. A New Brittle-star of the Genus Ophiomiti-a from Southern Japan. 

 Proc. hiol. vSoc. Washington Vol. 29 p. 225—226. [0. matsumotoi n. sp.] 

 40 Grave, Caswell. 89.4 Ophiura : 13 



1916. Ophiura brevispina. II. An embryological contribution and a study 

 of the effect of yolk substance upon development and developmental 

 processes. Jonru. Morphol. Vol. 27 p. 413—450, 1 pi., 4 figg. [Later 

 development (blastula and gastrula) mechanically interfered with.] 



13.15,.2 



212047 Deecke, W. 39.5 



1913. Paiaontologische Betrachtungen. III. Ueber Echinoiden. Centralbl. 

 Min. Oeol. Pal. 1913 p. 498—507, 526—534. [Lebensverhaltnisse fossiier 

 Formen.) 



48 Schultz, Eugene. lUy.ibu.'b. Ek. 39.5 : 11 



1916. Nouvelles experiences sur la survivance des parties detachees 

 d'un organisme. Rev. zool. russe T. 1 p. 79—85, B figg. — HoBbie oiibiibi 

 HOJi'b nepe:KHBaHieM'h HacieH. Pjcck. aooj. 2Kypu. T. 1 p. 85—88. [Trans- 

 formation des pieds ambulacraires detaches en boules revetues d'epithelium 

 et encombrees de cellules mesenchymateuses. Formation d'une vaste 

 cavite.] 11.64,.69 



49 .Schultz, Fug. 39.5 : 11 



1916. Nouvelles experiences sur la survie des fragments tissulaires. 

 (Reun. biol. Petrograd.) C. R. Soc. Biol. Paris T. 79 p. 207. [Pieds 

 ambulacraires d'un oursin survivent plus d'un mois.] 



50 Lillie, Ralph N. 39.5 : 11.04 



1916. The physiology of cell-division. VI. Rhythmical changes in the 

 resistance of the dividing sea-urchin egg to hypotonic sea water and 

 their physiological significance. Journ. exper. Zool. Vol. 21 p. 369 — 402, 

 [Decline in resistance to cytolysis during formation of cleavage furrow. 

 Membrane change associated with increased permeability to water-soluble 

 substances and decreased electrical polarization.] 



11.041,044 



51 PackHrd, Charles. .S9.5 : 11.04 



1916. The efiect of radium radiations on the rate of cell division. 

 Journ. exper. Zool. Vol. 21 p. 199—212. [Save in resting stage, brief 

 intense radiation accelerates. Effect on activity of enzymes.] 



11.011,.044 

 212U52 Child, C. M. 89.5 : 11.044 



1916. Axial Susceptibility Gradienti in the Early Development of the 

 Sea Urohin. Biol. Bull. Woods Hole Vol, 30 p. 3l»l— 405, 20 figg. 

 [Especially apico-baeal gradient.] 



