900 



THE ANIMAL PARASITES OF MAN 



Worms, intestinal, hereditary transmission 

 of, former belief in, 11 



of lower animals represent young 

 stages, 21 



spontaneous generation, belief in, 12 



transmission by ova, discovery of, 11 

 Wounds, larvae in, movements of, 723 

 Wright, Rhinosporidium kinealyi, 197 

 Wurtz and Cleri, invasion by Loa loa, 678 

 Wyeomyia, characters, 565 



X. 



XENOPSYLLA, distinctive characters, 545 



host of cysticercoids of Hymenolepis 



murina and H. nana, 328 



brasiliensis, 547 

 cheopis, 546 



carrier of plague bacillus, 543, 547 



host of Trypanosoma lewisi, 92 



Xeroform, application in Demodex follicu- 



lorum canis infection, 709 

 Xyphorhyncus firmus, 131 



Y. 



YAWS, climatic distribution, 632 



inoculation with, experimental, 127 



- producing no immunity to syphilis, 

 128 



- non-immunity to, produced by inocula- 



tion with syphilis, 128 



- pathogenic agent of, 114, 127, 128, 632 



- prophylaxis, 632 



species of Sarcophaga concerned in dis- 



semination of, 590 



- stages of, 632 



treatment, 632 



Yellow fever, mosquito carrier of, 574 



Paraplasma flavigenum said to be 

 associated with, 180 



transmission by Stegomyia, 555 



pigment in kidney and liver cells in 



ancylostomiasis, 647 

 Yorke and Blacklock, classification of try- 



panosomes, 72 

 see also Blacklock and Yorke 



see also Stannus and Yorke 



I. 



ZARNIKO, case of Oxyuridce in nose, 696 

 Zeder, special class of cysticerci established 



by, 282 



Zeller, Echinococciis multilocularis, 356 

 Zenker, development of Trichinella spiralis, 



423 



fatal case of infection by Trichinellae, 



423 



Linguatula serrata, 527 

 Zenker's solution, 749 



Ziemann, infection by Loa loa, 678 



varieties or sub-species of malignant ter- 



tian parasite, 167 

 Zinn, blood-stained diarrhoea from Strongy- 



luides stercoralis infection, 674 

 extract of male fern in expulsion of 



ancylostomes, 687 

 Zooparasites, 1 

 Zschokke, experimental infection of man 



with Dibothriocephalus latus, 312 



- Rhinosporidium in horses, 197 

 Zuelzer, on spirochaetes, 114, 741 

 Zululaud, strain of Trypanosoma brucci 



from, 94 

 Ziirn, case of transmission of infection by 



Demodex folliculorum canis to man, 709 

 Zygotes of Coccidia, 141, 144 



- of gregarines, 132, 133 



