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| Fig.[ 1]. Hornfly Hæmatobia
serrata in resting position | [504] |
| [2]. Hornflies Hæmatobia serrata on cow horn | [505] |
| [3]. Buffalo gnat | [506] |
| [4]. Screw worm (larva of Chrysomyia macellaria) | [506] |
| [5]. Screw-worm fly Chrysomyia macellaria | [507] |
| [6]. The warble fly Hypoderma lineata | [508] |
| [7]. Short-nosed blue louse Hæmatopinus eurysternus of
cattle | [512] |
| [8]. Long-nosed blue louse Hæmatopinus vituli of
cattle | [512] |
| [9]. Red louse Trichodectes scalaris of cattle | [513] |
| [10]. Egg of short-nosed blue louse Hæmatopinus
eurysternus attached to a hair | [513] |
| [11]. Mite which causes psoroptic scab of sheep | [514] |
| [12]. Portion of the wall of the first stomach with
conical flukes Paramphistomum cervi attached | [519] |
| [13]. Twisted stomach worms Hæmonchus contortus | [519] |
| [14]. Twisted stomach worms Hæmonchus contortus
enlarged | [520] |
| [15]. Embryo of twisted stomach worm Hæmonchus contortus
coiled on tip of grass blade | [521] |
| [16]. A drenching tube made from an ordinary tin funnel, a
piece of rubber hose, and a piece of brass pipe | [522] |
| [17]. Piece of lining of fourth stomach showing cysts of
the encysted stomach worm Ostertatia ostertagi | [523] |
| [18]. A tapeworm Moniezia planissima which infests
cattle | [524] |
| [19]. The common liver fluke Fasciola hepatica | [526] |
| [20]. The large American fluke Fasciola magna | [526] |
| [21]. Portion of grass stalk bearing three encysted
cercariæ of the common liver fluke Fasciola hepatica | [527] |
| [22]. Hydatids Echinococcus granulosus in portion of hog's
liver | [528] |
| [23]. Thin-necked bladder worm Tænia hydatigena from
abdominal cavity of a steer | [529] |
| [24]. Lung worms Dictyocaulus viviparus of cattle | [530] |