134 ON THE GENUS LEKN^ODISCUS. 



Literature. . 



1. F. MitLLER.— Arch. f. Naturg. 28 Jahrg., p. 5. 1862. 



2. G.W. Smith.— -The Rhizocephala. Naples Monograph 29, p. 114. 1906. 



3. M. KoLLMANN. — Arch. Zool. Exp. et G-en. (5), t. i. Notes et Rev., 



pp. xlvi-xlvii. 1909. 



4. M. KoLLMANN. — Annales des Sciences Naturelles, 9^^^ ser. t. x. p. 255. 



1909. 



5. J. GuERiN-GrANiVET. — TravauK Sci. de Lab. de Zool. de Concarneau, 



t. iii. fasc. 7, p. 68. 1911. 



EXPLANATION OF PLATE 38. 



Fig 1. Lerneeodiscus viunidce. View from right side whicli is applied to thorax of host, 

 Munida hamffica. X 2. 



2. Ditto. Viewed from left side. X 2. 



3. i. munid(s, viewed by transparency from right side. 



4. L. munida;, viewed from peduncular or dorsal aspect. 



5. L. galathece, viewed by transparency from right side. 



6. L. galathecB, viewed from peduncular or dorsal aspect. 



7. Diagram of mesentery of Peltogaster from peduncular or dorsal aspect. AB is 



median longitudinal axis. 



8. Diagram of mesentery of LerncBodiscus from dorsal aspect, showing rotation of 



anterior half of mesentery to right side and shifting of axis to C. 

 Lettering :^3., peduncle of attachment ; oj;., mantle-opening; 72., nerve ; now?., right 

 oviduct ; l.ovd., left oviduct ; r.t., right testis ; l.t., left testis ; ?«.c., mantle-cavity ; 

 v.m., visceral mass ; mr., right mesentery ; m.l.., left mesentery. 



