46 Records of tlie Indian Museum. [Voi<. XVI, 



has a species in North i^frica and two in North-West Asia, and the 

 second has a species in North Africa and one variety of the same 

 represented in East Africa and West India. 



The genus Hiniantosoma is known up to date only from India 

 and Malaysia and Eucratonyx from India and New Britain. 



Subfam. DICELLOPHILINAE. 



Geophili niaxillares ex p. Gervais, An)i. Sc. nat. (2), VII, p. 178(1837); 



Id., Ins. Apt. IV, p. 308 (1847). 

 Dicellophilidae, O. F. Cook, Proc. U.S. Nat. Miis. XVIII, p. 61 et 



P-.73- 

 Mecistocephalinae, Attems, Zool. Jalirb. Syst., XVIII, p. 207 (1903). 

 Placodesniata, Mecistoceplialidae, Verhoeff, Bronn's Klass. u. Ord. 



Chilopoda, pp. 270, 271 (igo8). 

 Mecistocephalidae, Brolemann, Arc/i. Zool. exp. (5)111, p. 307 et seq, 



(1909) ; Ribaut, Chilopoda, in Voyage Allnaiid et Jeannel en Afriqiie 



or. (1911-1912), p. 17 (1914). 



Lamina cephalica longior quam latior, pedes maxillares magna 

 pro parte haud tegens sutura frontali discreta. Antennae plus 

 minusve attenuatae ; labrum tripartitum parte media quam late- 

 rales multo minore plus minusve bene unidentata, partibus late- 

 ralibus margine nudo vel ciliato (setis instructo). Mandibulae 

 laminis pectinatis in plerisque generibus numerosis, in gen. Arrup, 

 Chamb. duabus, instructae. Maxillae primi paris subcoxis coalitis 

 vel linea mediana divisis, malis utrimque duabus subaequalibus, 

 integris parte distali attenuata, plus minusve arcuata, subhj^alina. 

 Maxillae secundi paris subcoxis coalitis vel linea mediana divisae, 

 palpo (praeter subcoxas) 4-articulato articulo quarto unguiformi 

 vel 3-articulato ungue nuUo. 



Lamina basalis subtrapezoidea, angusta, partim quam lamina 

 cephalica plus minusve angustior ; lamina praebasalis indistincta. 

 Pedes maxillares longi, bene armati, subeoxarum lineis chitineis 

 nuUis. 



Segmenta pedifera suprascutellis nullis, praescutello magno, 

 sterna antica parte postica sat longa, gradatim angustiore in seg- 

 mento sequenti intromissa et interne a margine postico usque ad 

 medium sternum spissitudine longitudinali chitinea antice bifurcata 

 vel non fulcro entosternali vel furca appellata, instructa sunt; 

 sterna omnia poris ventralibus destituta. 



Segmentum ultimum pediferum subcoxis plus minusve inflatis 

 et poris numerosis instructis, pedibus (subcoxis exclusis) 6-articu- 

 latis, elongatis, ungue nuUo. 



Appendices genitales plus minusve distincte biarticulatae. 



Pori anales duo. 



Segmentorum numerus uniusquisque speciei constans. 



Pulli ex ovo segmentorum numero adulti nascunt, segment! 

 praegenitalis subcoxis poris destitutis vel poro uno instructis, poris 

 analibus magnis vel permagnis. 



Familiae huic genera haec pertinent : Dicellophilus , O. F. 

 Cook; Lamnonyx, O. F. Cook; Megethmus, O. F. Cook; Arrup, 



