No. 5-] THE MALE OF PERIPATUS EISENII. 



2 55 



show the cup-shaped depression in which it rests and the dis- 

 tinct outline of the epidermis which makes it look like a dimin- 

 utive pine cone. 



The opening of the generative organs is, like that in the 

 female, between the penultimate pair of legs ; but this pair of 



AcO 



^c\>\*AvV'r 



$Mdr &^"M& 

 mffi ^^s mm 



FIG. 5. 



appendages, unlike that of the female, has no trace of a pedal 

 groove, and the same may be said of the last pair. There is 

 likewise no trace of the nephridium in the penultimate pair of 

 legs, whereas the last pair possesses these organs, which appear 

 in section with small external openings. 



Just as there are crural glands in the male, which are want- 

 ing in the female, so also are there accessory glands. There is 

 a pair of these glands which opens externally by two small slits 

 situated between the generative and anal openings, about a 

 fourth of the distance from the latter. Fig. 3 represents a 

 camera drawing of a section through the orifices of these 

 accessory cells. 



Before leaving the consideration of the exterior of P. Eiscnii 

 it is well to speak of a thing of interest which relates to both 

 the sexes, and which has not been mentioned before in connec- 



