COLLINGE : NEW HAWAIIAN SLUGS. 297 



Fig. 1. Amn/ia f/ar/afcs, Dra\). Geuorative organs. 



2.\AiJiaHa f/a(/affs. ShowiDg variations in the form of the terminal ducts, 

 3./ particularly the gradual lengthening of the penis. 



4. Amaiia Jinhori, n.sp. Generative organs. 



5. Amaiia Babori. Mantle. 



6. Amaiia Babori. Shell. 



7. A<jriolimax Icevis, Miill. Portion of the generative organs. 



8. Aijrioliinax Iccvis. Showing variation in the form of the receptaculum 

 seniinis, r.s. 



9. AgrioUmax Beveiwti, n.sp. Terminal ducts of the generative organs. 



Lettering. 



ae.gl. accessory gland. ov. oviduct. 



alh.gl. albumen gland. p. penis. 



d. ducts of accessory gland. pr. prostate. 



div. diverticulum. r.d. receptacular duct. 



f ov. free-oviduct. r.m. retractor muscle of penis. 



h(l. hermaphrodite duct. r.s. receptaculum seniinis. 



li gl. hermaphrodite gland. v.d. vas deferens. 



