38 Verm. 
XV. VERMES. 
Development and Migration of Distomum leptostornum Olsson and 
spinulosum , n. sp. [See also Cercariceum ]; Hofmann, K. (168). 
Genital sucker (Genitalnapf) of Distomum megastomum Rud.; Jacoby, S. 
(174). 
Monostomosis of Ducks ( Monostomum Jiavum seu mutabile ); Magalhaes 
(223). 
Parallel evolution of dioecious forms allied to Distomum and Monostomum 
respectively, viz. Schistosomidce and Didymozoonidce , p. 659; Looss (213). 
Pathogenic action on the mucosa of the rumen of the domestic ox of 
Amphistomum conicum ; Mingazzini ( 262). 
Postlarval growth and structure of Macraspis elegans Olsson ( Aspido - 
botkridce ); Jagerskiold (175). 
Standards of size of Distomidce , p. 556 ; Looss (213). 
Taxonomy. Principles of classification; Looss (213); Luhe (216); 
Topography of the genital apparatus; Looss (213). 
Distribution. 
Aves. Trematode fauna; Hausmann (162): Clinostomum , comprising 
Distomid species living when mature in the mouth, throat and oesophagus 
of storks and herons ( Ciconice ); Braun (60): Philophthalmus under the 
eyelids of Corvus , Milvus etc.; Looss (213): Echinostomum in intestine, 
coeca and bursa fabricii of birds; Looss (213). 
Brazilian river-tortoises; Braun (56). 
Chelonia , Marine. Monostomum etc.; Braun (56 & 57); Cricocephalus 
in stomach of Chelonia my das ; Looss (213): Hapalotrema in heart of 
Thalassochelys corticata ; Looss (213). 
Egypt. Looss (213). 
German rivers, North Sea and hot springs of the Sahara: Gyrodactylus 
medius Kath.; Kathariner (181). 
Insectivorous bats and channeleons. Small Distomids belonging to 
genus Lecithodendrium , p. 618; Looss (213). 
Lorraine. Gyrodactylus elegans v. Nordm. on Gasterosteus in the salt 
marshes, p. 270; Florentin (127). 
New Guinea ; Braun (57). 
Ophidia. List of Distomidse: D. naja Rud. in a new host, Zamenis 
viridiflavus Dum. et Bib,, in the lung; Volz (386). 
Pisces. Acantliocotyle on skin of Raja clavata ; Monticelli (268): 
Onchocotylince on branchiae of Selachians; Cerfontaine (78). Distomids 
in Teleostei; Jacoby (174); Billet (36). Monostomids in Teleostei; 
Looss (213). 
Mammalia. Distomum hepaticum in the spleen of the sheep; Ratz 
(318); D. coelomaticum in Indian Ox; D. sinense in human bile-ducts; 
Billet (36). 
Sicily. Bilharzia crassa ; Barbagallo (18). 
Unionidce', Kelly (182). 
Vertebrata , cold-blooded. Pliyllodistomum , comprising the Distomids 
which live in the urinary bladder; Braun (60). 
Systematic. 
Trematode (unnamed) parasitic in the pelagic Decapod Crustacean Cera- 
taspis ; Bonnier (48a). 
Acantliocotyle lobiancoi Monticelli, from skin of back of Raja clavata , 
p. Ill, elegans Mont, from same place found 3 years later, p. 113, 
oligoterus , n. sp. from skin of belly of Raja clavata , p. 115; Monticelli 
(268). 
