0 Eehin. 
V. Echinoderma. 
[1918] 
Drz., A. Variations cycliques de 
I’ceuf active. Rev. sci. Paris 1918 1918 
(307-308). [15 4 8.] 40 
Dumble, E. T. Geology of the 
Northern End of tho Tampico Embay - 
ment Area. San Francisco Proo. Cal. 
Acad. Sci. 8 1918 (113-166) pis. iii-vi. 
[27 B ii (b) (o) (e) (f) ; 31 C.] 41 
Dunbar, C. 0. Stratigraphy and 
Correlation of the Devonian of Western 
Tennessee. Amer. J. Sc. New Haven 
Conn. 46 1918 (732-756). [27 B iv (f).] 
42 
Eckman, S. Results of Dr. E. 
Mjobergs Swedish Scientific Expedi- 
tions to Australia, 1910-1913. 19. 
Holotliurioidea. Stockholm Vot.-Ak. 
Handl. 58 No. 6 1918 (1-70) pis. 
[07 1 ; 27 A iii ; 31 B.] 43 
Fisher, W. K. Notes on Asteroidea. 
Ann. Mag. Nat. Hist. London 1 ser. 9 
1918 (103-111) pi. xiii. [07 1 5; 
31 D.] 44 
Foerste, A. F. The Richmond 
Faunas of Little Bay De Noquette, in 
Northern Michigan. Ottawa Nat. 31 
1917 1918 (97-103 121 -127) pis. iv- 
vi. [27 B iv (h) ; 31 F.] 45 
Foerste, A. F. Upper Ordovician 
Formations in Ontario and Quebec. 
Ottawa Canada Dept. Mines Geol. 
Surv. Mem. 83 1916 (i-viii 1-279). 
[27 B iv (h) ; 31 D F G.] 46 
Fourtau, R. Les Echinides des 
“ Bagh Beds.” Rec. Geol. Surv. 
Calcutta 49 1918 (34-53) pis. i-ii. 
[07 1 ; 27 B iii (b) 2 ; 31 C.] 47 
Gemmill, J. F. Rhythmic pulsation 
in the madreporic vesicle of young 
Ophiuroids. Quarterly Joum. Microsc. 
Sci. 63 1918 (537-540). [07 11 ; 112; 
15 5 7 ; 31 E.] 48 
Gentil, L. Sur les depots neogenes 
du detroit Nord-B6tique (Espagne m6ri- 
dionale). Paris C. R. Acad. sci. 167 
1918 (299-302). [27 B ii (c) (d).] 49 
Gentil, L. Sur l’age du detroit 
Sud-Rifain. Paris C.R. Acad. sci. 
166 1918 (418-420.) [27 B ii (d) ; 31 C.] 
50 
Goldfarb, A. J. Effects of Aging 
upon germ cells and upon early de- 
velopment. Part iii. Changes in very 
aged eggs. Biol. Bull. Wood’s Hole 
Mass 35 1918 (1—32). [11 7 ; 31 C.] 
51 
Goldfarb, A. J. Effects of aging 
upon germ cells and upon early devel- 
opment. Part ii. Changes in moder- 
ately aged eggs and sperm. Biol. 
Bull. Wood’s Hole Mass. 34 1918 
(372-409). [117; 31 C.] 62 
Gravier, C. J. Sur 1’ adaptation du 
pied au milieu ambiant chez les 
Actinies des grands fonds sous-marins. 
Paris C. R. Acad. Sci. 167 1918 
(1009-1012). [19 8; 31 B.] 53 
Greger, D. K. vide Branson, E. B. 
Greig, A. Nogen asteriders alder og 
aarsklasser. Kristiania Bergens Mu- 
seums Aarbok, 1916-17. Naturv. 
raekke No. 1 (1-24). [15 7 ; 31 D.] 
54 
Gruenberg, B. C. Some protective 
activities of organisms. How Nature 
protects its weaker creations. Scient. 
Amer. Suppl. 80 1915 (404-40). 
[19 5.] 55 
Gudex, M. C. The Succession of 
Tertiary Beds in the Pareora District, 
South Canterbury. Wellington 
Trans, and Proc. N. Zeal. Inst. 50 
1918 (244-262). [27 B ii (d) iii (b) 1 ] 
56 
Hawkins, H. L. Morphological 
Studies on tho Echinoidea Holcctypoida 
and their Allies. Geol. Mag. London 
Dec. vi 5 1918 (4-14) pi. ii. [07 5 ; 
31 C.] 57 
Hawkins, H. L. Morphological 
Studies on the the Echinoidea Holecty- 
poida and their Allies. Geol. Mag. 
London Dec. vi 5 1918 (489-500) 
pi. xvii. [07 5 ; 15 7 ; 23 10 ; 27 A 
ii ; 31 C.] 58 
Hawkins, H. L. Notes on the 
geological structure of the Vale of 
Kingsclero. Proc. Hampshire Field 
Club 8 1918 (191-212). [27 B iii (1).] 
59 
Hawkins, H. L. Note on the Occur- 
rence of the Zone of A. quadratus 
(Sub-zone of Offaster pilula) near 
Inkpen, Berks. Geol. Mag. London 
Dec. vi 5 1918 (214-215). [27 B 
iii (b) 1 ; 31 C D.] 60 
Herdman, W. A. The Marine 
Biological Station at Port Erin, being 
tho tliirty-first Annual Report of the 
Liverpool Marino Biology Committee. 
Liverpool Proc. Trans. Biol. Soc. 32 
1918 (15-29). [03 5.J 61 
