1894.] 



SLUG OF THE GEKTJS JAKELLA. 



527 



Janella MACUiiATA, sp. nov. 



Animal much flatter thau J. hitentaculata. Dorso-median 

 groove distinct and continuous to tlie tip of the tail. Grround- 

 colour dirty yellow, with numerous irregular black spots and 

 dashes ; a large, black, oval-shaped mark immediately behind the 

 pulmonary orifice. Head slightly lighter than the rest of the body. 

 Poot dirty yellow, marginal portions distinct from median plane. 

 Pulmonary orifice small and inconspicuous. 



Length in alcohol 33 millim. 



Habitat. Torty Mile Bush, North Island, New Zealand 

 {H. Suter). 



The flat back of this species reminds one of Veronicella, whilst 

 the colouring is similar to dark-coloured examples of Geomalaais 

 maculosus, AUm., which I have occasionally seen. 



Anatomy. 



Generative System. — There is a single vestibule, from which the 

 penis passes off as a lateral organ. In its natural position it is 

 twisted upon itself, as shown in fig. 3. Its first portion is slightly 



Fig. 1. 



Generative system of Janella maculata. 

 (Lettering of this and the four following figures.) 



alh.gl, albumen gland. 

 b.c, buccal cavity. 



0, crop. 



h.d, hermaphrodite duct. 

 h.gl, hermaphrodite gland. 

 i, intestine. 



1, liver. 



ce, CEsophagus. 

 ov' , free oviduct. 



ov, oviduct. 

 X>r, prostate. 



2), penis. 



r, rectum. 

 r.m, retractor muscle. 

 r.s, receptaculum seminis. 



st, stomach. 



V, vestibule. 

 ud, vas deferens. 



