398 FCETAL LYSTOKIA. 



20. Camyloerhacchis. — Curvature of the vertebral column ; 2 

 species : C. scoliosa (lateral curvature of the spine), C. contorta (torsion 

 of the spine). 



OEDEE VII. — Simple Monstrosities through Excess in Forma- 

 tion : — 



21. Megalocephalus. — Head abnormally large ; 2 species : M. 

 hydrencc]_)halas (with hydrocephalus), M. polycerus (head with large 

 horns). 



22. DiPHALLus. — Double penis ; 1 species : D. imperfectus (double 

 penis, incomplete). 



23. Megalomelus. — Limbs with supernumerary parts ; 1 species : 

 M. ■perissodactylus (with supernumerary digits). 



OEDEE VIII. — Hermaphrodites : — 



24. Heemaphroditus. — Double sex, with predominance of organs 

 belonging to one sex ; 2 species : H. lateralis (genital organs to one 

 side), in which there are two varieties : a, H. lateralis masculinus (with 

 predominance of the male organs) ; b, H. lateralis femininus (with pre- y 

 dominance of the female organs) ; H. transversalis (the external genera- 'J 

 tive organs belonging to one sex, and the internal to the opposite sex), 

 including two varieties : a, H. transversalis masculinus (external genital 

 organs male, internal female) ; b, H. transversalis femininus (external 

 genital organs feminine, internal male — often imperfect). 



25. PsEUDO - hermaphroditus. — False hermaphrodites ; 4 species : 

 P. megalomastJius (male with large mammge), P. microphallus (penis un- 

 usually small), P. hypospadiatus (with the urethra divided inferiorly), 

 P. femininus (false feminine hermaphrodite). 



26. Androgynus. — Double hermaphrodites, the male and female 

 organs existing in a single individual, one sex being incomplete and the 

 other predominating ; 2 species : A. masculinus (the external organs are 

 masculine, with a small penis, the internal organs being male and 

 female — though the one set is more complete than the other), A. femi- 

 ninus (the external organs are feminine, with abnormally large clitoris, 

 the internal being male and female, with predominance of the one over 

 the other). 



CLASS 11. 



TREBLE AND DOUBLE MONSTROSITIES. 



In these monstrosities there is a union of two or three individuals* 

 neither of which is complete, but which are united at various points 

 often with a completely-developed body is united a portion of a second 

 individual. It comprises 6 Orders, 26 Genera, and 59 Species. 



OEDEE I. — Trigeminal Monstrosities, in which are united one 



OR MORE PARTS OR ORGANS OF THREE INDIVIDUALS : 



1. Cephalotridymus. — Three heads united to a single trunk ; 

 1 species : G. unicorporeus (with a single body). 



2. CoRBiOTRiDYMUS. — Posterior part of the trunk triplicate, with more 

 than four limbs ; 1 species : G. tricaudatus (three croups with three tails, 

 but only one anus and four posterior limbs). 



3. Meloteidymus. — Posterior part of the body double, and more than 

 eight limbs ; 1 species : M. dccapus (ten limbs of unequal length). 



