ON THE OVIPAKOUS Sl'EOJES OF ONYCHOPHOKA. 413 

 blEEL, T. 



1. " Obbeivatioiib on Peri pat u&." ' Pioc. Liun. Soc. N.S.W.' for 1896, 



p. 91. 



2. " Note on Periiiatus." ' Proc. Linn. Soc. N.S.W.' for 1897, p.l24. 



WlLLKY, A. 



1. ' Tlic Anatomy and Development of Peri pat u a uovse-britanuiaj.' 



VI. EXPLANATION OF PLATES 19—22, 



Illustrating Dr. Deiidy's memoir '' Ou the Oviparous Species 

 of Ouychopliora." 



Explauutioii of Lettering. 



A. Anus. B. Tt. Buccal tracheal pit. C. G. Cerebral ganglion. Ch. 

 Chorion. Cr. P. Crural papilla (bearing aperture of crural gland). D. F. 

 Mid-dorsal longitudinal groove or fissure. E. Egg in oviduct. Int. Intestine. 

 Iiity. luteguincnt. L. Od. Left Oviduct. N. B. Kucleoid bodies in clear 

 areas of imniatuie chorion. N. C. Nerve-cord. Ne. J. Nephridial aperture. 

 Nl. Nucleolus. Nk. Nucleus. Od. Oviduct. Oes. (Esoi)hagus. 0. Oo. 

 Ovarian ova. Oop. Ovipositor. Ocy. Ovarj. Fed. Peduncle of ovarian 

 follicle. P/i. Pharynx. Pr. 0. Protuberances of oviduct opposite to 

 receptaculuni seniinis. A*. Rectum. R. Od. Right oviduct. R. S. Recep- 

 culum seniinis. S. 1). Salivary duct. S. G. Salivary glaud. St. D. Slime- 

 duct and reservoir. 67. G. Sliine-gland. Tr. P. Tracheal pit. 3'r. S. 

 Triangular sac at base of ovipositor, formed by the union of the two oviducts. 

 A'. M. Vitelline membrane. F. Yolk. 



PLATE' 19. 



ElG. 1. — Ooperipatus ovi parus, Deudy. A Victorian specimen showing 

 the typical pattern. Erom a drawing by C. C. Brittlebank, Esq. X 6 

 diameters. 



EiG. 2. — Ooperipatus v ir id i macula t us, Dendy. Specimen from Lake 

 Te Anau, showing the typical pattern. Erom a drawing by Miss M. M. 

 Eerrar. x 4^ diameters. 



EiG. o. — Ooperipatus insignis, Dendy. A Victorian specimen showin 

 'Jie typical |)altern. Erom a drawing by C. C. Brittlebank, Esq. x 9 

 diameters. 



