APPENDIX A 149 



Amphibia; Torix R. Blanchard 1893, of China should perhaps be 

 united with Oligohdella; Actinohdella Moore 1901, of N. America, 

 sucks blood of vertebrates. 



Genera of Uncertain Subfamily 



Archaeohdella Grimm 1876 Dartevellida Sciacchitano 1939 



Dermohdella Philippi 1867 Dundjibdella Sciacchitano 1939 



Lobina Moquin-Tandon 1846 Matadibdella Sciacchitano 1939 



Semilageneta Goddard 1908 Trigonobdella Sciacchitano 1939. 



Family Piscicolidae Johnston 1865 

 (= Ichthyobdellidae Apathy 1888) 



The majority of the members of this family are marine leeches 

 but a few are found in fresh water. The marine forms are reviewed 

 separately in Appendix B. 



Freshwater genera: Piscicola Blainville 1818, a fish parasite, in all 

 parts of the world except Australasia and Polynesia ; Cystobranchus 

 Diesing 1859, also a fish parasite, S. Europe, Asia, N. America, 

 Mexico; Ozobranchiis Quatrefages 1832, attacks tortoises, croco- 

 diles and pelicans of Africa, S. America, Asia; Phyllobdella Moore, 

 1939, Africa, on Barbus; Illinobdella Meyer 1940, fish parasite 

 of Alaska; Piscicolaria Whitman 1889, N. America. 



Suborder Gnathobdellae 

 Family Hirudidae 



In this family are many important blood-sucking parasites of man 

 and domestic animals: 



Hirudo Linnaeus 1758, Europe, Asia, Africa, introduced into 

 N. America; used in medicine; Limnatis Moquin-Tandon 1827, 

 enters the nostrils of horses and men when drinking, S. Europe, 

 Africa, Asia.; Poecilobdella Blanchard 1S9?> (=HirudinariaWhitma.n 

 1886 preoccupied) cattle leech of India and S.E. Asia; Dinobdella 

 Moore 1927, enters the air passages of mammals, may remain for 

 very long periods; India, Burma, Ceylon; Hirudobdella Goddard 

 1910, Australasia; Macrobdella Verrill 1872, important mammalian 

 parasite of N. America; Oxyptychus Grube 1850 occupies the same 

 niche in S. America; Aetheobdella Moore 1935, New South Wales; 

 Limnobdella Blanchard 1893, Australia and New Zealand. 



