V. Echinoderma. 
[1919] 
0 iEchin. 
<Qu6bhard) A.,. Lambert, J. & Bepelin, 
•J. Sur iin Gisement de Fossilea ‘ 
Albiens k La Lubi, Commune de Mona. , 
(Var.) Notes Proven9alea 6 1918 (1-6) • 
pis. iiiii. [27 Biii (b 1); 31 0.] ‘.40 
Guthrie, M. J. and Hibbard, H. 
Cleavage and mesenchyme fonnation ; 
in Toxopncit-stea variegatua. Woods 
Hole Mass. BioL Bull. 87 1919 (139- 
149). [15 4; 31 BCD EF.] 41 
Hartmeyer, R. Berichtigung zu : 
Clark, A. H., The Crinoids of the ‘ 
Museum fiir Naturkunde, Berlin. Berlin 
]\Iitt. zool. Mua. 9 1919 (231^237). 
[03 5 ; 27 i ; 31 F.] ^ * 42 
Hawkins, H. L. Moi-phologioal 
studies on the Echinoidea Hplectypoida 
and their allies. Geol. Mag. London 6 
1919 (442 -452). [03 7 ; 07 1 5 ; 19 3 ; 
23 8 10; 27Biii(bl)(b2); 31C.] 43. 
Herdman, W. A. An intensive study 
of the marine Plankton around the 
South end of the Isle of Man. — Part. xi. 
Proc. & Trans. Livei*pooL Biol, Soc. 
33 1919 (95-105). [27 A ii.] , 44 
Horlant, M. Nouvolloa rccherchtjS 
eur I’aotion inhibilrico cxorc6e par lo 
speniie de Mollusque sui la f4eondation. 
de I’oeuf d’oursin. Paris C. R. Acad. 
Sci. 1*69 1919 (519-520). [11 7; 
15 4.] 45 
Herlaut, M. Comment agit la 
Solution Hypertoniquo dans la Par- 
th^nogen^so Expcrimontalo (Mothode 
de Loeb) ii. Le mecanismo de la 
segmentation. Arch. zool. Paris 58 
1919 (291-314). [15 4 8.] 46 
Hornell, J. The Indian Beclie-de- 
Mer industry : Its history and recent 
revival. Madras Bull. Madras Fish. 
Dept. 11 1918 (121-150). [19 15.] 47 
Huntsman, A. G. The Vertical Dis- 
tribution of Certain Intertidal Animals. 
Proc. & Trans. R. Soc. Canada 12 1919 
(53-60). [19 3.] 48. 
Just, E. E. The fertilization reaction 
in Echinarac.hnius parma. i. Cortical 
Response of the Egg to Insemination. 
Woods Hole Mass. Biol. Bull. 36 1919 
(1-10). [15 4; 31 C.] 4,9 
• Just, E. E. The fertilization reaction 
in ' Ethinarachniua parma, ii. The 
Role of Fertilizin in Straight & Cross 
Fertilization. .. Woods Hole Mass. Biol. 
Bull. 36 1919 (11-38) [03 6; 15 4 8; 
31 0.]. 60 
Just, E. E. The Fertilization re- 
action in Echinarachnius , parma. iii. 
The Nature of the Activation of the 
Egg by Butyric Acid. Woods Hole 
Mass. Biol. Bull. 36 1919 (39-53) [03 6 ; 
15 4 8; 31C.]., 51 
Kaldhol, H. Bidrag til Romsdals amts 
Kvarteergeologi. 'Frond jem kgl. Vid. 
selsk. Skr. 1915 1917 No. 7 (1-183) pis. 
i -iy. . [27 B ii (b).] 52 
Kihdelan, V. Nota sobre el cretaceo 
y el Eoceno de Guipuzcoa. Madrid Bol. 
Inst. Geol. Espana Madrid 20 1919 
(165-198) 25 pis. [27 B ii (f) iii (b 1).] 
• 52a 
Kitchin, F. I<. 'J’he Faunal Charac- 
ters and Correlation of the Concealed 
Mesozoic Rocks in Kent. Summary 
Progress Geol. Surv, U.K. London 
1918 1919 (37-45). [27 B iii (c 2) ; 31 
C F.] 53 
Koehler, R. Echinodenna I • 
Asteroidca, Ophiuroidf a et Echinoidea- 
Beitriige zur Kenntnis der Mceresfauna 
Westafrikas. Hamburg Lfg. 2 1914 
(129-303) i»ls. iv-xv. [03 2 ; 27 A ii ; 
31 C I) E.] 64 
Krenkel, E. Die Kelloway-Fauna 
von Popilani in AVestrussland. Palaeont. 
Stuttgart 61 1915 (191-368) pis. xix- 
xxviii. [27 B iii (o 2) ; 31 C F.] 55 
KH^enecky, J. Ein Beitrag zur 
Kennt nis der Regenerationsfaliigkeit dor . 
Seeigelstacheln. Arch. ' EntwMcch. 
Leipzig 42 1917 (642-650) pi. xxxviii 
[19 7; 31 C.] 56 
Lambert, J. Note sur quelqucs 
Echinides de IMnfra-Lias du Card, et 
on particulier de Gamma!. Bull. Soc. 
Etude Sci. Nat. Nimes 1914-1917 1918 
(114-120). [27 B iii (d); 31 C.] 57 
Lambert, J. Note sur deux Echinides 
nouveaux du Cretacd do la Provence. 
Notes Proven9ales 6 1918 (7-10) 
pi. iii figs. 2 3. [27Biii(bl); 31C.]58 
Lambert, J. vide Gu6bhard, A. and 
Repelin, J. . 
Lastotschkin, D. A. Ober die 
Radiarwassergefitissen bei Synaptidon.' 
Zool. Anz. Leipzig 60 1919 (247-250). 
[07 6; 11 1 ; 31 B.] 59 
Lees, J. H. Some features of the Fort 
Dodge Gypsum. Proc. Iowa Acad. 25 
1918 (587-697). [27 B iv (o) ; 31 F.] 60 
