ZOOLOGY OF TERNANDO NOEONIIA, 



557 



It corresponds closely to the figure given by Humbert, excepting 

 that it is only 10 millim. in length instead of 22 millira., and 

 that the antennae' are as hispid as those of J. solifuga, Halliday. 

 In Humbert's figure the antennaD are quite glabrous, but as he 

 does not mention this among the difi:erences between his species 

 and I. solifuga, it is possibly an error of the draughtsman. The 

 number of joints in the anteunsB is almost equal to that of 

 I. Saussurii, and more than that of I. solifiiga ; but the animal 

 is but little larger than the type specimens of I. solifuga in the 

 British Museum. Another point of difference, though very 

 slight, is in the forceps. In both the above quoted species there 

 is a secondary tooth on the inner edge of each chela, besides 

 several smaller rounded papillae ; now in the specimen from 

 Eernando Noronha this secondary tooth is nearer the apex 

 of the chela than is either of the others. 



Distribution. The distribution of the whole genus is very little 

 known at present, as specimens are not often collected. I. soli- 

 Aiga occurs in South Europe, Algeria, and Madeira (the var. 

 Wollastoni). I. Saussurii was obtained in Mexico at Orizaba. 

 Species are also recorded, but not described, from the United 

 States and Calcutta. 



Dr. Grassi, in p. 1 of " Progenitori degli Insetti e dei Miria- 

 podi," gives I. Saussicrii as from Brazil ; but does not say whether 

 he has seen Brazilian specimens ; and in his list of species mentions 

 it merely from Mexico, evidently using " Brasili " as a synonym 

 for Mexico. It is more than probable that, if sought for, it will 

 be found to occur also on the mainland of Brazil. 



Leptsma Leai, n. sp. 



Though it was to be expected that house-inhabiting Lepismas 

 vrould occur here, I sought for them in vain until just as we were 

 leaving, when a single large Lepis7na^ perhaps disturbed by the 

 packing-operations, appeared. The specimen was somewhat 

 damaged in capturing it ; but as it seems to be undescribed, and 

 is a very curious animal, I describe it as it is. 



Corpus 19 millim. longum (setis exclusis), griseum. Caput 

 parvum, subrotundatum. Antennae filiformes (fractac). Oculi 

 minimi, nigri, pone basin antennarum positi. Prothorax 3 mm. 

 longus, margine superiore recto, iuferiore excavato, marginibus 

 lateralibus productis ; mesothorax et metathorax similes sed 

 breviores. Pedes coxis valde crassis, brevibus, oblongo-ovalibus, 



