other species, H. marginatum , H. rufipes , H. detritum, H. excavatum, 

 ajid ticks of other genera are inclxided in the same vials, the pre- 

 sent species may be considered as "H. anatolicum (sensu Schulze )". 

 It is, however, far from certain that this is the same species 

 that contemporary Soviet workers are labelling H. anatolicum. 

 FeldmanuMiihsam (195A-) states that the type specTmen of H. anato - 

 licum "seems to be lost". The true identity of this name, there^- 

 fore, should be difficult to establish. She also considers H. 

 anatolicim specimens in the Schulze collection as "within tlae 

 range of variation of H. excavatum ", a conclusion not corroborated 

 by present rearing stiiSies. Kratz (19A-0) also indicated that the 

 type specimen of H. anatolicum was lost, and suggested that his 

 mentor, Schulze, applied this name because of the frequency of 

 this species in collections from Anatolia. It is obvious that 

 the complicated problem of identity and of species and subspecies 

 related to the present form will require a considerable amount of 

 study before valid and firm conclusions can be drawn. Typical 

 specimens of "H. anatolicum (sensu Schulze )* in the Schulze col_ 

 lection are from Macedonia, Anatolia, Skyros and Thassos Islands 

 (Greece), Egypt, and Rio de Oro. A male from Kabete, Kenya, is 

 also included; this range is difficult to explain, except on the 

 basis of accidental introduction, and bears further investigation. 

 Hosts of typical specimens are cattle, horses, camels, sheep, and 

 an antelope (Rio de Oro ) . 



The presence of this species in the nortnwe stern area of 

 Africa appears well established by reason of representatives from 

 Morocco and Canary Islands in British Museum (Nattiral History) 

 collections, from Rio de Oro in the Schulze collection (Rocky 

 Mountain Laboratory), and from Libya in the HH collection. 



IDENTIFICATION 



Male . The scutum measures from /|..28 mm. to 5.12 ram. in 

 length and from 2.66 mm. to 3.52 mm. in width, thus being con- 

 siderably larger than H. excavatum (for measToreraents, see page 

 U^l) . It is colored a's in "species nvtraber 1" and slightly more 

 punctate than either of the other two species; the caudal de- 

 pression is more rugose and more densely furnished with mixed, 

 contiguous punctations than in H. excavatum but its characteris- 

 tic outline is the same in both species and pronounced elevated 

 ridges border it. Lateral grooves are like those of H. excavatum , 

 but may appear to be continued slightly more anteriorTy due to 

 the presence of several large punctations in line with them. The 



- 886 _ 



