AN ATTEMPT TU REVISE THE FAMILY « LINGUATULIDAE )) 



61 



B. — LARVxiL FORMS. 



Pentastomum Diesingi van Beneden. 

 Pentastomum eunjzonum Diesing. 

 Pentastomum leonis Wedl. 

 Pentastomum constrictum von Siebold. 

 Pentastomum protelis Hoyle. 

 Linguatula constricta Bruner, Bilharz. 



DiAGNOSis. — « Body cylindrical, slightly tlattened on its anterior 

 face, and surrounded by about 20 distinct rings, separated from 

 one another by a wide interval. » — Wymax. 



(( Corpus incrassatum,latum, transverse costatum. Gepbalotliorax 

 parum distinctus, fronte rotun- 

 datus, Aunuli abdominales 19, 

 prœter ultimum aequales, sub- 

 infundibuliiormes , margine 

 postico prominente, vallato. An- 

 nulus analis conicus, acumina- 

 tus. Longit. feminae 70 mm., 

 latit. 6,7 mm. Mas hucusque 

 ignotus. Statum imperfectum 

 probabiliter exhibât Pent. Die- 

 singi (= Pent. euryzonum Dies.) 

 a viro celeberrimo van Beneden 

 capsulis inclusum in peritonaeo 

 Cynocepliali maimonis reper- 

 tum. Forma corporis numeroque 



Fig. 7. — Poroceplialus ar millatus 

 Wyman. — A, ventral view of head 

 X 4 ; B, hook ; C, larva (P. con- 

 strictus) X -, 3. After von Siebold. 



annulorum congruens distinguitur soia tere magnitudine, quae 

 habet 15 mm. in longitudinem et 2,5 mm. in latitudinem. Stigmata 

 confertiora in séries 8-9 irregulariter dispositas collocata, vallata. 

 Margo annulorum pruminens serrulatus. Hamulus accessorius 

 nullus. Fulcrum breviusculum, latum, postice truncatum. » — 



LeUCKAI!'!'. 



llABrrAï. — AuuL'r form. — African Pythons, Python Sebai, Python 

 bivittatus {P. molurus) ; Félix ko [Léo nobilis). 



Larval form. — Proteks cristatus, Cynooephalus maimoii, Homo 

 sapiens, chiefly negroes in Egypt. It is altached to tbe small intes- 

 line. Ils iiiigraLioiis fr(î({uenLly cause tbe death oi tlie hust. 



