XX11 LIST OF ILLUSTRATIONS. 



Filaria sanguinis Jwminis (after Lewis), .... 31 50 



Flea, Larva of the, . . . . . . .41 60 



Flesh of pig with bladder- worms (natural size), . .. t . 91 155 



Flesh of pig with Trichina; ( x 45), . . ' . . . 92 155 

 Gregarines, encapsuled ; (.4 ) after conjugation ; (B) after formation of 



pseudonavicellae, . . . . . . . . 96 192 



(A) Monocystis agilis ; (B) Greyarina cuncata (C) Stylorhynchus 



oligacanthus, . . . . . 95 192 



ffexamita intcstinalis, in the young and adult states (after Stein), . 120 240 

 Hirudo medicinalis, Cephalic end of, with the three mandibles at the 



base of the oral cup, . . , ... 9 17 

 Infusorians with undulating longitudinal membrane from the intestine 



of the hen (after Eberth), . . . . .124 248 



Lacerta vivipara, Unarmed cystic worm from the body-cavity of ( x 30), 185 343 



Liver of a rabbit with Coccidium-nodnles, . . . .107 204 



Measly pork, .-57 83 



" , 277 494 



Miescher's tubes, Extremity of one of, with its contents, . . 105 201 



Monostomum capitellatum . . . . . . .16 30 



,, ,, Ciliated embryo of, . . . .69 108 



Monostomum mutabile, Infusorian-like embryos of, with the " necessary 



parasite," . .... 17 31 



Musca vomitoria, Larvae of, . . . . . 8 15 



(Natural size and enlarged), . . . . 89 144 



Muscle -Trie h I/UP, seven weeks old, in the distended sarcolemma-sheaths, 77 129 



Nasua socialis, Kidney of, with Eustrongylus in the distended pelvis, . 76 129 



Oxyuris ambigua (young), . . . . . 64 101 



Oxyuris vermicularit, Eggs of, . . . . . . 34 56 



Paramcecium coli (after Malmsten), . -. . . . 128 255 



Pediculus (Pktkirius) pubis, . . . . . ... 2 7 



Pentastomida, Lung of rabbit infected with, .... 55 78 



Pcntastomum, Lung of a rabbit infected with, . . . .84 137 



Pentastomum constrictum (after Aitken), . . . .85 137 



Pcntastomum denticulatum, . . . . . .27 41 



., 56 78 



From the liver of man, . . . . . . 5 14 



Piece of a rabbit's liver with bladder- worm passages ( x 10), . . 182 341 

 Piestocystis variabilis, Longitudinal section of an unarmed cystic worm 



from the lung of a crow ( x 30), ... . .184 343 



Pseudonavicellae, with germinal rods in their interior, . . .97 194 



Psorospenn-balls and Gregarines on human hair, Lindemann's, . 116 227 



Psorosperm-nodule, The epithelium of a, filled with parasites, . 109 209 



Psorosperm-saccule from the urinary bladder of the pike (after Lieberkiihn), 98 196 

 Psorospermiae from the connective tissue of the human kidney (after 



Lindemann), . .. . . . . .115 226 



Psorosperms, (A), from the urinary bladder of Gadus lota; (B), from 



the gills of the bream, ., . . . . . 99 197 



Pulex penetrans, male and female, . ... .28 44 

 Rainey's bodies, one of, within an isolated muscular fibre, enlarged 100 



diameters, 104 200 



Rainey's tubes enlarged about 40 diameters, * 103 200 



Redise, Bojanus' " kingsyellow worms," from the pond-snail, 18 31 



With brood of Distomes in the interior, . . . 75 118 



(A ) with germs ; (B) with Cercarise in the interior ; (C) free Cercariae, 19 31 



