SEP '3 I'^ni 



TWO NEW SPECIES OF ONYCHOPHOUA. 



473 



On Two New Species^ of Onychophora from the 

 Siamese Malay States. 



RIcliai-d Evans, M.A., B.Sc, 



Of Jesus Colle£:e, Oxford. 



With Plates 32—37. 



Part I. 



Contents. 



I. Introduction ..... 



II. The Classification of the Onychophora . 



III. Some Notes ou the Type specimen of E. Su mat ran us 



IV. Descri|ttion of E. Weldoni and E. Horsti . 



A. Introduction 



B. External Characters 

 c. Internal Anatomy . 



(«) Introductory Remarks 



(b) Ventral Organs 



(c) Salivary Glands 

 {d) Renal Organs 

 (e) Female Reproductive Organs 

 (/) Male Reproductive Organs 

 iff) Male Accessory glands 

 (A) Crural Glands 



V. Structure of the Ovum . 

 VI. The Relations of the various Genera of the Peripatidse 

 another . 

 Addendum 

 VII. Bibliography 

 VIII. E.\planation of Plates 



to one 



PAGE 



474 



477 

 484 

 486 

 486 

 487 

 496 

 496 

 496 

 497 

 49 S 

 500 

 509 

 513 

 519 

 520 



525 

 530 

 530 

 532 



' The discovery of the two species here described was announced in 

 'Nature,' vol. Ix, p. 591, by E. B. Poulton, Esq., M.A., P.R.S., Hope Pro- 

 fessor of Zoology in the University of Oxford. 



VOL. 44, PART 4. — NEW siKKIKS. H H 



