PALPUS 



SEGMENT 4.. 



SFOMENT 3 



SEGMENT 2 



SEGMENT I 



3ASIi CAPI rULI' 



CORNUA 



SCAPULA 



/.. ij n.r' '-r • ;■; - -.CERVICAL nT 



'tf .' . ■ ' VV'SX ~ C=i-'VICAL r;';c 



'■' '-li \ -''^ 



A^.-^. \ 



PUNCTATIONS 

 LATERAL GROOVE 



POSTEROMEDIAN GROOVE 

 PARAMEDIAN GROOVE 



^ 



i'iODVg 



PRETARSUS 

 TARSUS 



PAD (PUL VILLUS) 

 LAW 



. JHYPOSTOME 



SPIRACULAR PLATB 

 ANUS 



ANAL GROOVE 

 ACCESSORY SHIELD 

 AD ANAL SHIELD 

 SUBANAL SHIELD 



"POSTANAL MEDIAN GROOVE 



Figures U and 5» cf, dorsal eind ventral views 

 Figiires 6 and 7, 9, dorsal and ventral views 



KEY MCBPHOLOGICAL CHARACTERS 

 HYPOTHETICAL cf and 9 ticks, FAMILY EtCDIDAE 

 (Characters used in keys in this report, except for self-explanatory 

 terms, such as "caudal appendage" of certain Boophilus males. Addi- 

 tional characters used in fuller descriptions of individual species 

 are explained where they first occur) . 



PLATE IV 



- 38 - 



