S. Hadwen 
297 
REFERENCES. 
On “ Tick ParalydsT 
Bishopp, F. C. and King, W. V. (1913). Additional notes on the biology of the 
Rocky Mountain Spotted-Fever Tick. Journ. Econ. Entomol. vi. 200-211. 
Cleland, J. B. (1912). Australian Medical Gaz. (quoted by Eaton). 
Eaton, E. M. (1913). A case of Tick-Bite followed by wide-spread transitory 
muscular paralysis. Tropical Diseases Bull. ir. 205-206. (Review from Aus¬ 
tralian Med. Gaz. xxxiil. 391-394.) 
Hadwen, S. (1913). Preliminary note on “ Tick Paralysis.” Letter from Veterinary 
Director-General. Amer. Veter. Review. 
- (1913). Address on “Tick Paralysis.” Proc. Brit. Columbia Vet. Assoc. 
(As yet unpublished.) 
Todd, J. L. (1912). Tick-bite in British Columbia. Canadian Med. Assoc. Journ. 
On the effect of Tick-Bites. 
Ndttall, G. H. F. (1899). On the role of Insects, Arachnids and Myriapods, etc. 
Johns Hopkins Hospital Reports, viii. 1-154. 
- (1908). The Ixodoidea or Ticks, Harben Lect I. Journ. Roy. Inst. Publ. 
Health, xvi. 385-403, 8 figs. 
- (1911). On symptoms following Tick-bites. Parasitology, iv. 89-93. 
- (1913). [Effect of bite of Ixodes putus.'] Parasitology, vi. 84-85. 
- AND Strickland, C. (1908). On the presence of an anticoagulin in the 
salivary glands and intestines of Argas persicus. Parasitology, i. 302-310. 
- (1908-11). [Regarding the effects of the bites of various ticks.] Nuttall, 
Warburton, Cooper, and Robinson : Ticks, Part i, 85 et seq. {Argas persicus, 
A.reflexus, 0. coriaceus, 0. moubata). Part li, 313-316 (/. ricinus, I. pilosus). 
Sant’ Anna, J. F. (1911). On a disease in man following tick-bites, and occurring 
in Loren 90 Marques. Parasitology, iv. 87-88. 
EXPLANATION OF PLATES XXI AND XXII. 
(Photographs by S. Hadwen.) 
Fig. 1. Effect of bites under the skin (Lamb No. I). 
Fig. 2. Eleven Z). venustus attached to back of Lamb No. I. 
Fig. 3. Lamb No. IV. Two females and one male attached. Line drawn on lamb’s 
back to indicate median line. 
Fig. 4. Enlargement of lower ticks in Fig. 3, showing position of male and female. 
Fig. 5. Lamb No. Ill, showing paralysis. 
Fig. 6. Lamb No. IV, showing loss of coordination. 
Fig. 7. D. venustus ? (gorged), with spermatophore attached. 
Fig. 8. D. venustus ? (unengorged). 
Parasitology vi 
20 
