314 University of California Publications. [Zoology 



PAGE 



Protanthea simplex 211 



Rate of sinking of Tornaria 191, 192, 193 



tabulation of 1 9:1 



Reaction to stimulation in Microscolex elegans 280 



Regeneration in 



1 lava Ieptostyla 30 35 



1 lorymorpha palma 41 



Sagartia davisi 211, 216, 219, 220 



Tubularia erocea 45 



the poison glands of Plethotlon 211 



Reproduction, by the colony in I 'risia : 123 



by the individual polypides 12:', 



non-sexual in Cyanthina smithi 212 



non-sexual in Sagartia davisi 211 et seq. 



non-sexual in S. luciae 212 



Reproduction processes in Crisia 117 



Responses to tactual stimulation in Corymorpha palma 41 



Ritter, Wm. E 171 



Robertson, Alice 1 If, 



Sagartia davisi 211 



luciae 211. 21.3, 222, 22:;. 224 



San Diego, Tintinnidae of plankton 2x7 306 



Seasonal distribution of Tubularia 44 



Secondary embryos in Crisia 139, 141 



Secretion in Diemyctulus 161 



histogenesis of, in Plethodon 241-243 



of mucous glands of Plethodon 161, 241 



of poison glands of Plethodon 240, 2 11 



in Tornaria 178, 179 



Selaginopsis group 70 



eylindrica 70 



mirabilis 7(1 



Sense Organs in Microscolex elegans 272, 275, 277 



Sensitiveness of Microscolex elegans 279 



relations to distribution of sense organs 279 



Sertularella group 60 



alternans 62 



conica 60 



dentifera, figs. 51, 52 61 



fusif oralis, figs. 53, 54 61 



halecina, figs. 55, 56 4, 48, 61 



hesperia, figs. 57. 58 63 



nodulosa 64, 65 



polyzonias 61, 65 



tenella 64 



trieuspidata 64 



turgida, figs. 59-69 64 



