.VOXSTEOSI TIHS. 897 



short), N. brachychirus (anterior limbs too short), N. cavipylochirus 

 (anterior limbs short and crooked), iV. chiroptcrus (anterior limbs short, 

 with cutaneous folds resembling wings), N. cowpylosceius (posterior 

 limbs short and crooked). 



ORDER III. — Simple Monstkositiks through Aunokmal Division 

 OF THK Body : — 



11. ScHisTOCKTHALUs. — DivisioH of the head ; 5 species : S. hcmi- 

 cephalus (cleft in the middle); with the varieties : a, S. hcmiccphalus 

 partialis, or hydrenccphalocclc (partial hernia of the brain, with liydro- 

 cephalus) ; b, S. hcviiccphalns totalis (absence cf all the cranium) ; 

 <;, S. hcmiceplialns complicatus (cleft cranium, face defective) ; S. bifidns 

 (face divided), ^'. fissipalatinus or rictus liqnmis (cleft palate), S. fissi- 

 labrus or labium Icporinum (cleft or hare lip), S. mcgalostomus (wide 

 mouth). 



12. ScHisTOCORMUs. — Divided trunk; G species: S. fissicoll is {neck 

 cleft), S. fissistcrnalis (sternum divided), .S. schistcpiqastrico-sternalis 

 (division of the sternum and anterior portion of the abdomen), S. cxom- 

 phalus (divided umbilicus), S. fissiventralis (the whole of the abdomen 

 divided), S. fissispinalis or spina bifida (division of the spinal column). 



13. ScHisTosoMUs. — Division of the head and trunk; 3 species: .S'. 

 rctlcxus (division of the body and iiivei'sion of the spinal column), S. 

 contortus (division of the body and torsion of the vertebral column), 

 S. microchirus (division of the body and anterior limbs shortened). 



14. Schistomelus. — Cleft limbs ; 2 species : S. fissimanus (division 

 of the anterior limbs), .S'. fissungulus (division of the phalanges). 



ORDER IV. — Simple Monstkositiks thuouchi Absence of the 

 Natuiul Division of Pauts : — 



15. Atretocephalus. — Absence of openings in the head ; 1 species : 

 A. astomus (mouth absent). 



16. Atretocoumus. — Absence of the natural apertures in the body ; 

 2 species : .-1. aproctus (anus absent), A. anurcthra (uretlira absent). 



17. Aschistodactyhs. — Phalanges undivided ; 1 species : .1. solid- 

 Htojnlus (absence of division of the phalanges and claws in those animals 

 which usually have them divided). 



ORDER V. — Simple Monstrosities throucih Fusion or Coali- 

 tion OF OudANS : — 



IH. Cyclops or Monophthalmus. — One eye in the middle of the 

 face, and a proboscis in addition ; 3 species : C. mcgalostomus (large 

 mouth), of which there are two varieties ; a, C. mcgalostomics rhyn- 

 chfenus (large mouth and probosyi^ ; b, C. vicgalostomus arhynchus 

 (largo mouth, but no proboscis) AC. prostotuus (irregular mouth), in 

 which are two varieties : a, C. prostomus arhynchus (irregular mouth 

 and no nose) ; b, C. prostomus rhynch<pnus (irregular mouth and nose) ; 

 C. astomus (without mouth), with two varieties : a, C. astomus arhytv- 

 chus (mouth and nose absent) ; b, C. astomus rhynchanus (proboscis 

 present, but mouth absent). 



ORDER VI. — Simple Monstrosities through Abnormal Position 

 AND Form of Parts : — 



19. Campylorrhinus. — Curvature of the nose ; 1 species ; C. lateralis 

 (lateral curvature of the nose). 



