f8 RIOHAKD EVANS. 



4. Kennel, J. — " Entwicklungsgescliiclite von Peripatus Edwardsii, 



Blanch., und P. torquatus, ii. sp.," Tlieili, ' Arbeiten a. d. zool.-zoot. 

 Inst. Wurzburg,' vol. vii, p. 95, Taf. v— xi ; Theil ii, ibid., vol. viii, 

 Taf. i— vi. 



5. Sedgwick, A. — "The Development, of the Cape Species of Peripatus," 



Part I, ' Quart. Journ. Micr. Sci.,' vol. xxv, pp. 449 — 468, Plates 31, 



32. Part II, ibid., vol. xxvi, pp. 175—212, Plates 12, 14. Part 



III, ibid., vol. xxvii, pp. 467—550, Plates 34—37. Part IV, ibid., 



vol. xxviii, pp. 373—396, Plates 26-29. 

 <3. Sheldon, L. — "On the Development of P. novse-zealandise." Part 



I, 'Quart. Journ. Micr. Sci.,' vol. xxviii, pp. 205 — 237, Plates 12 — 16. 



I'art II, ibid., vol. xxix, pp. 283—294, Plates 25, 26. 

 7. WiLLEY, A. — " Tiie Anatomy and Development of Peripatus novse- 



britanniae," ' Zool. Results based on Material from New Britain,' 



etc.. Part I, pp. 1 — 52, plates i — iv. 



EXPLANATION OF PLATES 5—9, 



Illustrating Mr. Eichard Evans's paper on " The Develop- 

 ment of the Malayan Species of Onychopliora." 



List of Reference Letters, 



a. to. Archicerobral lobe of the brain, an.gr. Anal groove, ant. Antenna;. 

 b.j>. Blastopore, br. Brain, c.y. Central yolk. e. Eye. ec. Ectoderm, en. 

 Endoderm. en. in. Endodermal invagination, en. 7i. Endodermal nucleus. 

 ex. y. External yolk. ge. n. Germinal nucleus, ge, r. Germinal ridge, ht. 

 Heart, jaw. Rudiment of the jaw. /o.', lo.^, lo.^, and lo.'*. The first, second, 

 third, and fourth lobes of the brain, ni. a.g. Male accessory glands, m. d. I. 

 Mid-dorsal line, mesod. Mesoderm, myot. Myotome. n. c. Nerve-cord. 

 ov. Ovum. ov. c. Ovarian cavity, ovid. {=■ so?//."'"). The antepenultimate 

 somite or oviduct, pa. com. Para-oesopluigeal commissure, po. b.p. Posterior 

 end of the blastopore, pc. Pericardium, pr. g. Primitive groove, proctod. 

 Proctodseum. re. o. Receptaculum ovorum. re. s. Receptaculum seminis. 

 re«.y; Renal funnel, re^.o. Renal outgrowth. ?w^. o^j. Renal opening, sa.gl. 



Salivary gland. som.\ som.^. so»/.""', son/.". Mesoblastic somites. 



siomod. Stomodseum. 'tes. Testis, vas. def Vas deferens, v. o.\ v. o.\ v. o.^, 

 etc. Ventral organs, v. o,^". The buccal portion of the third ventral organ. 

 V. 0.^'. The external portion of the third ventral organ. 



