SIMKOTU : ON NEOHYALIMAX. 45 



REFERENCES. 



Fischer, P. — Anntoniie fie deux Mollusqiies piilmones tevrestres appiirtenniit 



aux gem-es X<ii/fJ/oi/i/.v et Hi/ulUiiax: Jouru. de CNiuchyL, xv (1867), 



pp. 213-221, 1 pi. 

 Heynemann, D. F. — Die nackten Landpidmouaten des Erdbodens : JaluL. 



Deutsch. Malak. Ges., xii (18.S5), pp. 236-330. 

 SiMROTH, H. — Zur verg'leicbendeu Moipholoffie der rulmonaten-Niere : Semper's 



Reisen im Arcliipel. Philippiueu, Tli. II, Bd. iii, Stippt. 

 Nacktsclineckeu : Deutscli-OstaMca, iv (lS9o), p. 19. 



EXrLAXATION OF PLATE. 



1. Neohyalimax Brnsiliensis, n.gen., n.sp., viewed from above. x 2. 



2. The same, seen from the right side. 



3. The shell, viewed from above. x 2. 



4. Floor of the shell-cavity, seen from above, x 4. per. pericardium (with 



the auricle in front), k. kidney. I. digestive gland. The anterior 

 portion is tbe roof of the pulmonary chamber. 



5. Part of tbe mantle with a portion of the yellow spot. The yellow 



conchiolin sidjstance is beneath ; the black pigment spot is above it. 



6. Alimentary system. ./. jaw. ph. pharynx, r.s. radula-sac. s.(jl. salivary 



glands, l.l. left lolie of the digestive gland, r.l. right lobe of the 

 digestive gland, h.g. hermaphrodite gland. 



7. Jaw, enlarged. 



8. Teeth of the radula. 



9. Genital organs. h.g. hermaphrodite gland, or gonad. h.d. herma- 



phrodite duct. al.g. albumen gland, vcs. vesicula seminalis. pr. 

 " prostate." v.d. vas delereus. r.p. retractor penis muscle, p. penis. 

 od. oviduct, res. receptacrdum seminis. v. vagina. 



10. Interior of the vagina, magnified, viewed under reflected liglit. 



11. Part of the wall of the penis, magnified, viewed under transmitted light. 



