7 Crust . 
Titles. 
2600 
Hansen, H. J. Les Sergeetides des 
expeditions du Travailleur et du 
Talisman. Bui. Museum Paris 1920 
1920 (477-483). 89 
Hansen, H. J. Crustacea Malacostraca 
IV [Cumacea and Nobaliacea]. The 
Danish Ingolf-expedition 3 pt. 6 1920 
(1-86) pis. i-iv and chart. 90 
Harvey, E. N. Studies on the Ostra- 
cod Crustacean C. [Cypridina] Hilgen- 
dorffi.. In the Chemistry of Light- 
production in luminous organisms. 
Washington D.C. Carnegie Inst. Pub. 
251 1917 (174 sqq.). 91 
Hay, W. P. The crawfishes [of Lake 
Maxinkuckee]. Brookville Ind. Proc. 
Acad. Sci. 1918 1919 (232-235). 92 
Heitz, Fr. A. Salmo salar Lin., 
seine Parasitenfauna und seine Ernah- 
rung im Meer und im Siisswasser. Eine 
Parasitologische - biologische Studie. 
[Part II.] Arch, hydrobiol. Stuttgart 
12 1919 (485-561). 93 
Henry, Marguerite. On some 
Australian freshwater Copepoda and 
Ostracoda. Sydney N.S.W. J. R. Soc. 
53 1919 (29-48) pis. i-ii. 94 
Herdman, W. A. Spolia Runiana — 
IV. Notos on the abundanco of some 
common marine animals and a pre- 
liminary quantitative survey of their 
occurrence. London J. Linn. Soo. Zool. 
34 (250-252) text-figs. 95 
Herdman, W. A. The Marine Bio- 
logial Station at Port Erin being the 
thirty-third annual report of the 
Liverpool Marine Biology Committee. 
Appendix B. Liverpool Proc. Trans. 
Biol. Sco. 34 1920 (77-78). 96 
Herdman, W. A., Scott, A., Lewis, 
H. Mabel. An intensive study of the 
marine plankton around the south end 
of the Isle of Man. Part XII. Liver- 
pool Proc. Trans. Biol. Soc. 34 1920 
(177-178). 97 
Herwerden, M. A. van. De Invloed 
van Radiumstralen op do Ontwick- 
keling der Eieren van Daphnia 
pulex. Genetica s’Gravenhage 1 1919 
(305-320). 98 
Herwerden, M. A. van. De Terugkeer 
van een sedert zeven Jaar verdwenen 
Kenmerk in eon Cultuur van Daphnia 
pulex. Genetica s’Gravenhage 1 1919 
(321-323). 99 
Hesse, E. t)ber einiger faunistiche 
Vorkommen aus dem Leipziger Gebiet. 
Zool. Anz. Leipzig 51 1920 (258-261). 
100 
Holmgren, N. Vergleichendes fiber 
den Kopfbau der Crustaceen und 
Hexapoden. Ark. zool. Stockholm 13 
No. 5 1920 (1-59) text-figs. 101 
Hyman, O. W. The development of 
Gelasimus after hatching. J. Morph. 
Philadelphia Pa. 33 1920 (485-501) 
pis. i-xii. 102 
Jackson, J. W. The association of 
freshwater mollusca with crusta'cea. 
Lancs. Cheshire Nat. 13 1920 (91-94). 
103 
Jaekel, O. Einen neuen Phyllo- 
cariden aus dem Unterdevon der 
Bundenbacker Dachschiefer. Berlin 
Zs. D. geol. Ges. 72 1920 (290-292) 
text-fig. 104 
Johansen, F. The larger freshwater 
Crustacea of Canada and Alaska. 
Ottawa Canad. Field Naturalist 34 
1920 (126-132) (145-148). 105 
Juday, C. The Cladocera of the 
Canadian Arctic Expedition, 1913-18. 
Rep. Canad. Arc. Exp. 1913-18 7 
Pt. H 1920 (8 pp.). 106 
Kayser, W. Boitr&ge zur Kenntnis 
der Hydrographie und Biologie des 
Steinhudormeores. Arch, hydrobiol. 
Stuttgart 10 1915 (257-272). 107 
Kemp, S. Notes on Crustacea 
Decapoda in the Indian Museum. XIV. 
On the occurrence of the Caridean genus 
Discias in Indian waters. Rec. Ind. 
Mus. Calcutta 19 1920 (137-143) pi. viii 
text-figs. 108 
Klahn, H. Die Fossilien des Tertiars 
zwischen Lauch und Fecht. III. 
Ostracoda. Colmar Mitt, nathist. 
Ges. Neue folge 14 1917 (62-83) pis. 
xii-xiv. 109 
Koch, A. and Brehm, V. Entomos- 
traken aus Spitzbergen. Arch, hydro- 
biol. Stuttgart 11 1917 (609-623). 110 
Komai, T. Spermatogenesis of 
Squilla oratoria de Haan. J. Morph. 
Philadelphia Pa. 34 1920 (307-327) 
pis. i-iii 111 
Kiienzi, W. Ein neuer Fundort von 
Bathynella natans Vejdovsky. Verh. 
Schweiz. Natf. Ges. 1919 1920 (122- 
123). 112 
