PLATHELMINTHES. 
Verm . 33 
Distribution. 
Alaska; Griffin (155). 
Antarctic Nemertina, list and short account of upwards of 30 species; 
Burger (66). 
Pacific. PlanJctonemertes , a deep sea Pelagonemertid; Woodworth 
(407). 
Puget Sound; Griffin (155). 
Systematic. 
AmpJiiporus imparispinosus, p. 210, formidabilis , p. 211, brunneus , p. 212 
n. spp. from Port Townsend, angidatus (Fahr.), p. 212, from Alaska 
drepanophoroides , n. sp., p. 214; Griffin (155). 
Carinella sexlineata , p. 201, rubra , p. 203, n. spp.; Griffin (155). 
Carinoma mutabilis , n. sp., p. 204, var. argdlina n. var., p. 205, var. 
vasculosa n. var., p. 206, synopsis of species of C ., p. 206; Griffin 
(155). 
Emplectonema viride Stimpson, p. 207, violaceum (Biirger), p. 209; Griffin 
(155).. 
Lineus striatus, n. sp., p. 214, Kilisut Harbour; Griffin (155). 
PlanJctonemertes , n. g. (Pelagonernertidce) for P. agassizii , n. sp., trawled 
from deep water in the Pacific; Woodworth (407). 
TURBELLARIA. 
t 
General Biology. 
Acafious condition of Convoluta , secondary, and due to regression from 
ancestors possessing a digestive canal and a less rudimentary organisation; 
Georgevitch (145). 
Anatomy of Haplodiscus ussowi Sabussow, from Messina; Monticelli 
(27i). 
Anatomy and Histology of Geoplana steenstrupi ; Krsmanovi6 (190). 
Development of Convoluta roscofensis ; Georgevitch (144 & 145); 
EustylocJius ellipticus and Planocera nebulosa ; Van Name (379). 
Embryology of Summer and Winter eggs of freshwater Rhabdocoela ; 
Bresslau (62). 
Heteromorphosis, Regeneration and Polarity, in Planaria ; Voigt (384), 
Monti (267), Fuhrmannn (137), Driesch (119, p. 54). 
Maturation and Fertilization in Polychcerus caudatus Mark.; Gardiner 
Monograph. Tricladida terricola (Land planarians), External morpho¬ 
logy, pp. 11-37, Anatomy and Physiology, pp. 38-244, Regeneration and 
Fission, pp. 241-244, (Ecology, pp. 245-252, Chorology, pp. 253-279 and 
562-567, Taxonomy, pp. 280-561 ; Graff (152). 
Pigmentation. Red and Blue Pigment of Rhynchodemus ; Liversidge 
(208). 
Teratology. Cytological anomalies in Thysanozoon ; Van der Stricht 
(377). 
Distribution. 
Geographical distribution of Tricladida terricola ; Graff (152). 
Chatham Islands. Leptoplana calif'ornica; Plehn (301). 
1899. [Vol. xxxvi.] f 3 
