XX 



Page 

 ^5. Dyarcyops andrewsi {a) and Blakistonia aurea (b-e) 132 



26. Seknotholus foelschei 1^^ 



27. Dekana diversicolor ^"^^ 



28. Dog, showing the opposing hair-streams of the chest 148 



29. Dog, showing the whorl (A) on the gluteal region and hair- 



streams on the extensor aspect of the thigh 150 



30. Domestic Ox (young) : opposing hair-streams and whorls, seen 



from above •'-"'' 



31. Domestic Horse, showing the hair-streams, feathering, and 



whorls 1^7 



32. Lower surface of hand of Hapalemur griseus, S 1^^ 



S3. Palmar surface of hand and forearm of Hapalemur griseus, $ . . 160 



34. Palmar surface of hand and forearm of Hapalemur griseus, 5 • ■ 161 



35. Transverse section through arm-gland of Hapalemur griseus. . . . 162 



36. Ccelomic pouches oi Pheretima posthuma 165 



37. Imperfectly developed coelomic pouches of Pheretima posthuma . 166 



38. Transverse section through body-wall and underlying ccelomic 



pouches of Pheretima posthuma 167 



39. Longitudinal section through body-wall and underlying coelomic 



pouch of Pheretima iwsthuma 168 



40. Nervous system of the Aranese and of the Pedipalpi of the family 



Theliphonidee 170 



41. Mouth-parts of the Thelyphonidm [Mastigoproctus giganteus) . . 173 



42. Mouth-parts of the Pedipalpi of the families Thelyphonid(S, 



Phrynidre, and of the Pseudoscorpiones ( Chernetes) 177 



43. Mouth-parts of the Scorpiones and of the Araneee of the family 



LycosidcB 180 



44. Alimentary system of the prosoma of the Thelyphonidce 183 



45. Alimentary system of the prosoma of one of the Phrynidce .... 186 



46. Ventral view of anterior segments of Po/?/^ore«</!?<s A-eMj/ffie?is/.s .. 192 



47. Ventral view of anterior segments of an individual of Polyto- 



reutus henyaensis, with shorter perigenital area 192 



48. Ventral view of anterior segments of Polytoreutus montis-TcenycB. 192 



49. Ventral view of genital segments of Polytoreutus montis-kenycs. 195 



50. Longitudinal section through genital segments of Polytoreutus 



montis-henyce 198 



51. Longitudinal section through genital segments of Polytoreutus 



henyaensis 198 



52. Longitudinal section through the spermathecal sac and the 



adjacent region of Polytoreutus henyaensis 201 



53. Spermatophoral case of Polytoreutus henyaensis 202 



54. Section through apex of spermatophoral case of Polytoreutus 



henyaensis 203 



65. Persian Ibex 226 



56. Prfficaudal and anterior caudal vertebrae, with epipleurals, of 



Batistes aculeatus . 286 



57. Eight half (inner side) of pectoral arches of (A) Diodon punctu- 



latus and (B) Balistes verrucosus 291 



