SPECIES OF AMBLYOMMA 615 



Scutum with markings and punctations especially at its 



periphery . . . . . . . .'.'-. albopictum 



(Cuba ; Brazil.) 



40. Coxa II and III with two spurs ...... cruciferutn. 



(Hayati.) 

 Coxa II and III flat, and one with spur . . . , . malayanum 



(Singapore^) 



41. Scutum with punctations on the whole surface ...... 42 



Scutum with punctations absent in places ; tarsi gradually 



attenuated - . . cyprium. 



(New Guinea ; Malay ; Philippine Islands.) 



42. Tarsi attenuated and indented ; hypostome with eight rows of 



teeth testudinarum. 



(South India ; Ceylon ; Java ; Sumatra ; Borneo ; Annam.) 

 Tarsi gradually attenuated 43 



43. Coxa I with weakly developed spurs ; hypostome with six rows 



of teeth decoratum. 



(Java ; Sumatra ; Philippine Islands.) 

 Coxa I with well-developed external spur ; hypostome with 



eight rows of teeth ........ scaevola 



(New Guinea.) 



44. Coxa IV with distinct spurs ; body without hairs or with short 



hairs at the sides .......... 45 



Coxa IV with weak spurs, and long hairs at the sides of the 



body hirtum. 



(Galapagos Islands ; Island of St. Paul.) 



45. Scutum with whitish spots on scapular angles .... humerale. 



(Brazil.) 

 Scutum without whitish spots on scapular angles . . . argentinae. 



(Argentine.) 



46. Festoons without spines on their ventral surfaces ...... 47 



Festoons (except the external one) with a ventral spine . . naponense. 



(Equator, River Napo.) 



47. Coxae II, III, and IV with two short flat spurs . . . tuberculatum. 



(Florida; Cuba.) 

 Coxae II, III, and IV with a single spur. 48 



48. Coxa I with two equal spurs as broad as long ....... 49 



Coxa I with the external spur double the internal . . . tholloni 



(German East Africa ; Congo; Cameroon.) 



49. Body sub-triangular . fulvum 



(Brazil.) 

 Body short and oval ........ sub laeve. 



(Java ; Sumatra ; Siam ; China.) 



50. Coxa IV with a spur as long as the coxa .... calcaratum 



(Brazil.) 

 Coxa IV with a spur much shorter than the coxa . . . . . .51 



51. First article of palp without a ventral retrograde hump . 52 

 First article of palp with a ventral retrograde hump . . nodosum 



(Costa Rica; Brazil.) 



52. Hypostome with eight rows of teeth ; coxa IV with a spur 



much longer than broad .- . . ...-'; . . . guianense. 



(Guiana.) 



