ON TREMATODE PARASITES FROM THE SOCIETY'S GARDENS. 139 
9. Trematode Parasites from Animals dying in the 
Zoological Society’s Gardens during 1911-1912. By 
Wiiiam Nicott, M.A., D.Sec., M.D., F.Z.8. 
[Received November 3, 1913: Read March 3, 1914. | 
(Plates I.-I'V.*) 
> heal 
ETHOLOGY : ASIDE Be 
‘Trematode parasites from animals in London Zvological Gardens... 189-154 
GEOGRAPHICAL ZOOLOGY : 
North America: Striped Snake (Tropidonotus ordinatus) ; new trematode 
from intestine ...... . 140 
North Africa: Spiny -tailed “Mastigure (Uromastix lacanthinurus) + 1 new 
trematode from intestine (7th Nov. MOURN ered tar chentet ea aot beaten 141 
South America: Schott’s Snake (Philodryas schotti); new trematode 
frome Waves (AON IE WOM) nsocoscov saa csccusassbegcesanpeassesnessecceon LAH 
Europe: Asp Viper (Viper aspis); new trematode from intestine 
(7th June, 1912) ..... Nis oN) Roma lel. WAIN eet ed 1233 
India: Indian River-Snake (Tropidonotus piscator) 5 new trematode from 
intestine (4th December, 1911) ......... 144 
Moluccas: Purple-capped Lory (Lorius domicelta) 5 ; new y trematode ‘from 
liver (22nd November, 1911)... : 146 
Guiana: Crested Curassow (Craw ‘alector) 3 new ‘trematode from ‘liver 
(26th Feb. 1912) .. 4 147 
North America: Summer Snake ‘(Contia ‘estiva); new trematode from 
intestine (7th July, 1911) .. : 147 
North America: Ruddy Flamingo (Phenicopterus ruber); ; new ; trematode 
from intestine (6th December, 1911) . a5 148 
West Africa: Smyth’s Water- Snake (Gr ayia emythii) 5» new trematode 
from intestine (May, 1912) .... 150 
Egypt: Egyptian Eagle-Owl Bubo ‘asealaphus) 3 new - trematode trom 
intestine (24th October, Ho) eevee coins hg Ra earner a Deno 
SYSTEMATIC: 
Family LEPODERMATID&. 
Mediorima propria, gen. et sp. n., from intestine of Striped Snake ......... 140 
Ommatobrephus singular is, (oe et sp. n., from intestine of Spiny- 
tailed Mastigure .......... 141 
Opisthogenes interrogativus, gen. “et sp. , from: intestine of Schott’s 
Snake ....... Peron ae, 
Opisthioglyphe adulescens, sp. mes ., from intestine of Asp Vi iper.. vee, 148 
Styphlodora persimilis, sp. n., from intestine of Indian River-Snake ...... 144 
Family Dicroc@1Liipz. 
Lyperosomum scitulum, sp. n., from liver of Purple-capped Lory.. wae 146 
Lyperosomum direptum, sp. n., from liver of Crested Curassow ............ 147 
Brachycelium obesum, sp. 0., from intestine of Summer Snake 
Family EcuinostomMip2. 
Echinostomum aliud, sp. n., from: intestine of Ruddy Flamingo ............ 148 
Family Crinostom1pD#. 
Harmotrema infecundum, gen. et sp. n., from intestine of Smyth’s 
LWWiaterssialccl ere nes tinny Sore etene neta ea task cau mids ohatacacte nce meee LO O 
Super-family HonostomaTa. 
Hemistomum canaliculatum, sp. n., from intestine of Egyptian Eagle-Owl. 151 
TUR GH? TB Loss) gee eos donde scan SAP oesandato poi cenolgL canAacuies (oben cHembnnactsacnntceconar Way” 
During the course of 1911 and 1912 opportunity was afforded 
me of making a fairly complete examination of the viscera of 
many of the animals dying in the Gardens. For this I have 
* For explanation of the Plates see pp. 153-154. 
