618 



MEDICAL ENTOMOLOGY 



36. 



37. 



38. 



39. 



40. 



41. 



42. 



43. 



44. 



45. 



46. 



47. 



48. 



49. 



50. 



51. 



52. 



53. 



54. 



Coxa. I with an internal spur longer than broad ; scutum with 



large punctations . . . . .-*' . coelebs. 



Coxa I with internal spur broader than long ....... 37 



Scutum with numerous deep unequal punctations over the 



whole surface (most of them large) : ,- . ... geayi. 



Scutum with median punctations ...... argentinae. 



Coxae II and III with two flat, blunt spurs, a little broader 



than long tuberculatum. 



Coxae II and III with one flat blunt spur twice as broad as long, ?.ey lanicum . 



(Ceylon ) 



Without accessory dorsal plates ...... 



One accessory plate posterior to scutum ..... 



Coxae II. Ill and IV with one spur or tuberosity 



Coxae II, III and IV with two tuberosities, not well marked, 

 body covered with numerous long hairs .... 



Tarsi gradually attenuated ....... 



Tarsi abruptly terminated ; scutum uniformly brown, puncta- 

 tions mostly very fine ........ 



Scutum with clear markings ...'... 



Scutum uniform brown with unequal punctations 



Eyes towards the anterior third of scutum, or more posterior . 

 Eyes towards the anterior fourth of scutum .... 



Hypostome with eight rows of teeth 



Hypostome with six rows of teeth ...... 



Capitulum nearly as long as the scutum ..... 



Capitulum much shorter than the scutum, porose areas as 

 large as the eyes ......... 



Coxae II, III and IV with a pointed spur as broad as long . 

 Coxae II, III and IV with one tuberosity .... 



malayanum. 



hirtum. 



sublaeve. 



40 



42 



43 



deminutivum 



(Ceylon, Colombo.) 

 44 



geoemydae. 

 (Sumatra; Borneo.) 



. 45 

 scutatum 



. 46 



moreliae. 



cyprium. 



breviscutatum. 



(Congo.) 



Coxa I with spurs shorter than the trochanter 48 



Coxa I with spurs as long as the trochanter 54 



Scutum heart-shaped, convex postero-lateral borders 49 



Scutum triangular 53 



Eyes towards the middle of length of scutum . . . ' 



Eyes towards the anterior third of the scutum 



Scutum as broad as long, with a postero-median spot 



Scutum broader than long, with lateral spots . 



Scutum as broad as long ; hypostome with eight rows of teeth 



Scutum broader than long 



Hypostome with eight rows of teeth 



Hypostome with six rows of teeth 



Scutum as broad as long, eyes in front of the anterior third . 

 Scutum broader than long, eyes behind anterior third 

 Scutum heart-shaped with postero-lateral borders convex 

 Scutum triangular, and as broad as long .... 



. 50 

 . 51 



calcaratum. 

 nodosum. 

 scalpturatum 



(Brazil.) 

 52 



guianense. 

 bispinosum. 

 pictum. 

 t'ossu in 



55 



oblongogut tat um 

 (Bolivia.) 



