INDEX OF ILLUSTRATIONS. 



Page. 



Plate I. CEstrus ovis, Liiuns^na 34 



II. (Estnis ovis, in sinuses of the bead 36 



III. (Estrus ovis, in nasal cavity and sinnses of the head 38 



IV. Meloi)hagus ovinus, Linureus 44 



V. Trichodectes sphwrocephalus, 'Nitzsch. 48 



VI. Trichodectes Umbatus, Gervais, et T. climax, Nitzsch 52 



VII. Psoro2)tes communis, Fiirst., var. oris. Adult 66 



VIIJ. Psoro])tcs communis, var. ovis. Young 68 



IX. Tamia marginaia, Batsch 80 



X. Twnia marginaia, in the liver - 82 



XI. Twnia tenella, Cobbold, T. cocnurus, Kuchenmeister, et T. ech- 



inococcus v. Siebold 88 



XII. Twnia fimhriata, Diesing 110 



XIII. Twnia fimbriata, original figures of Diesing 112 



XIV. Twnia ex2iansa,Rn(iol-ph\. Adult 124 



XV. Twnia expansa, young stages 126 



XVI. Disioma hepaiicum, Linnaeus 136 



XVII. Linguatula taniodes, Rudolphi, AmpMstoma conicum, Zeder, 



et Distoma lanceolatum, Mehlis 140 



XVIII. Strongylns contortus, Rudolphi 144 



XIX. Strongylus fiUcoUis,Jxn(\.o\Yi\i\ 148 



XX. Strongylus ventricosKS, Rudolphi 150 



XXI. Ascaris lumhricoidcs, Linnfeus 154 



XXII. Dochmius cernuus, Crepliu 160 



XXIII. Sclerostoma liypostomum., Dujardin 164 



XXIV. (Esopliagostoma Columhianum, Curtice. Adult 174 



XXV. (Esopliagostoma Columhianum, young stages 176 



XXVI. (Esopliagostoma Columhianum, in thQ inie&im&l coats 178 



XXVII. (Esopliagostoma Columhianum, in the intestinal coats 180 



XXVIII. Tricliocephalus affinis, Rudolphi 184 



XXIX. Strongijlus ovts-puhnonalis, Diesing 192 



XXX. Strongi/lus ovis-pulnionalis, in the lungs ,. 194 



XXXI. Strongijlus ovis-pulmonalis, in the Inngs 196 



XXXII. Strongylus ovis-pulmonalis, in the lungs 198 



XXXIII. SU-ongylus oris pulmonalis, in the lungs 200 



XXXIV. Strongylus filar ia, Rudolphi 210 



XXXV. Strongylus filaria, in the lungs 212 



XXXVI. Strongylus filaria, in tlie lunga 214 



