6 Myr. 
MYRIOPODA. 
Sclater, W. L. On the Early Stages of the Development of South 
American Species of Peripatus. Q. J. Micr. Sci. xxviii, pp. 
348-303. 
An account of the early stages of development of a species of Peripatus 
from Demarara — Peripatus imthurmi , n. sp. 
Sheldon, L. Notes on the Anatomy of Peripatus capensis and Peripatus 
novce-zelandice. Q. J. Micr. Sci. xxviii, pp. 495-499. 
The differences between P. capensis , P. novce-zelandice , and P. edwardsii 
pointed out. 
. On the Development of Peripatus novce-zelandice. Op. cit. xxix, 
pp. 283-293. 
Early stages of the development of this species described, and a com- 
parison made between it and P. capensis. 
Sedgwick, A. The Development of the Cape Species of Peripatus. 
Op. cit. xxviii, pp. 373-396. [Abstr. in J. R. Micr. Soc. 1888, pp. 409 
& 410.] 
A description of the changes presented during the course of develop- 
ment from stage G. to birth. 
. A Monograph on the Species and Distribution of the Genus 
Peripatus (Guilding). Q. J. Micr. Sci. xxviii, pp. 432-493, 12 pis. 
The genus characterized, p. 436 ; capensis , Table Mountain, p. 441, 
pis. xxxiv, xxxv, xxxvi, & xxxviii, figs. 27 & 28 ; balfouri , n. sp., Table 
Mountain, p. 450, pis. xxxvii, figs. 9 & 10, & xl, fig. 24 ; brevis (Blainv.), 
Table Mountain, p. 452 ; moseleyi , n. sp., Williamstown, p. 453, pi. xxxvii, 
fig. 8 ; novce-zelandice (Hutton), New Zealand, p. 456, pis. xxxvii, fig. 7, 
& xxxix, fig. 17 ; leuckarti (Sanger), Queensland, p. 463 ; edwardsii 
(Ernst. & Gaffron), Caracas, p. 467, pis. xxxvii, fig. 6, & xxxviii, figs. 12 
& 13 ; demerara?ius i n. sp., Maccasseema, p. 474 ; trinidadensis (Kennel) 
and torquatus (Kennel), Trinidad, p. 477 ; juliformis (Guilding), St. 
Vincent, p. 478 ; chiliensis , n. sp., Chili, p. 479. 
The paper also contains remarks upon many doubtful species. 
