394 
bulletin of the bureau of fisheries. 
127. Hadley, Philip B. 
Observations on some influences of light upon the larval and early adolescent stages of Homarus 
americanus . Preliminary report. Thirty-sixth Annual Report of the Commissioners of Inland 
Fisheries of Rhode Island for 1906, p. 237-257, 2 pi. Providence, 1906. 
127 a. 
Continued observations on some influences of light upon the larval and early adolescent stages of 
the American lobster. Thirty-seventh Annual Report of the Commissioners of Inland Fish- 
eries of Rhode Island for 1907, p. 191-216. Providence, 1907. 
128. 
The relation of optical stimuli to rheotaxis in the American lobster, Homarus americanus . Amer- 
ican Journal of Physiology, vol. xvn, p. 326-343. Boston, 1906. 
129. — 
Galvanotaxis in larvae of the American lobster {Homarus americanus). American Journal of Phys- 
iology, vol. xix, p. 39-52. Boston, 1907. 
130. 
The reaction of blinded lobsters to light. American Journal of Physiology, vol. xxi, p. 180-199. 
Boston, 1908. 
1 31. 
The behavior of the larval and adolescent stages of the American lobster ( Homarus americanus ). 
Journal of Comparative Neurology and Psychology, vol. xvm, no. 3, p. 199-302, fig. 1-22. 
Philadelphia, 1908. 
In this paper the author brings together his previous researches, which are the most extended and valuable yet 
made upon the subject. 
132. Harting, Pieter. 
Een slimmezeekreeft (Homarus vulgaris). Album der Natur, p. 24. Haarlem, 1878. 
133. Heller, Camil. 
Die Crustaceen des siidlichen Europa. Crustacea Podophthalmia, i-xii, 1-336 p., 10 taf. Wien, 
1863. 
134. Hasse, C. E. 
Observationes de sceleto astaci fluviatilis et marini. Dissertatio, 1-38 p., 1 pi. Lipsiae, 1833. 
133. Hennschen, F. 
Zur Structur der Eizelle gewisser Crustaceen und Gastropoden. Anatomischer Anzeiger, bd. 24, 
p. 15-29, 14 fig. Jena, 1891. 
Describes pseudochromosomes in Astacus and Homarus. 
136. Herbst, J. F. W. 
Versuch einer Naturgeschichte der Krabben und Krebse, nebst einer systematischen Beschreibung 
ihrer verschiedenen Arten. 3 bde. Berlin und Stralsund, 1790-1804. 
For an account of the lobster Cancer ( Astacus ) gammarus and the lobster fishery in Europe in the eighteenth 
century, see vol. u, p. 42. A curious epitome of the lore and natural history of the higher Crustacea from the most 
ancient times. 
137. Herdman, W. A. 
Lobster hatching. Nature, vol. lxx, p. 296. London, 1904. 
Note on hatching of lobsters at Biological Station, Port Erin, Isle of Man. 
138. Hermann, G. 
Notes sur la structure et le developpement des sperm atozoides chez les Decapodes. Bulletin scien- 
tifique de la France et de la Belgique, t. xxii. Paris, 1890. 
First record of amoeboid movements in sperm cells, with description of hermaphrodite character of sexual 
organs. 
