88 Annals of the South African Museum. 



males of the Australian and. Tasmanian species, P. Icuckarti and its 

 "Varieties. 



Besides these a second pair of glands, belonging to the genital 

 segment, are said to occur in the various forms of P. leuckarti, but I 

 have failed to find any adequate description of either these or the 

 crural glands in the literature at my disposal. According to Dendy 

 (1895, p. 200) the " accessory glands " of the genital segment in the 

 larger Victorian form (P. oviparus, Dendy) open on a white papilla, 

 which is situated in the angle between the leg and the body on each 

 side of the genital opening. Sedgwick (1888^) had already men- 

 tioned the occurrence of a white papilla on the legs of the genital 

 segment in the male of his Queensland specimens, which he referred 

 to P. leuckarti. He states that the position of this papilla is the 

 same as that of " the corresponding structure in the Cape males," 

 but mentions nothing about its connection with a gland. Fletcher 

 (1895) also found the papilla and states that when it occurs it is 

 situated nearer the base of the leg than is the case wuth the papillae 

 of the crural glands on the other legs (p. 189). In his diagnosis of 

 P. leuckarti (Sang.), (in which he includes all the Australian and 

 Tasmanian forms), Fletcher states (p. 183) that a " crural gland " 

 opens on the white papilla of the legs of the genital, as well as of the 

 preceding abdominal segments. 



Quite recently Dendy (1900) found the white papilla at the base of 

 the leg of the genital segment in his new species, P. viridi-muculatus, 

 from New Zealand, 



It thus appears that a pair of glands, each opening on a white 

 papilla situated at the base of the legs on either side of the male 

 genital orifice, occurs in the various forms of Peripatoides, with the 

 exception of P. novce-zealandice (Hutton), in which, according to Miss 

 Sheldon (1889), these glands are absent. 



It would be of interest to know whether these glands of the genital 

 segment resemble the crural glands of the other legs, or whether 

 they have become specially modified, like the corresponding glands 

 in Opisthopatus and. Peripatopsis. If the former be the case, then 

 Peripatoides would be the only form known in which unmodified 

 crural glands are present in the legs of the genital segment ; if the 

 latter, the genus would share with Opistliopatus the peculiarity of 

 possessing in the genital and postgenital segments of the male two 

 pairs of accessory glands, different in form from the crural glands of 

 the pregenital pairs of legs. 



According to Fletcher it would appear that the " crural glands " 

 (as he calls them) of the legs of the genital segment, like those of 



