MASON, G. E. (1921) Observations on certain external parasites foimd 

 upon the New Zealand htiia (Neomorpha acutirostris Goiild) 

 and not previously recorded"! Trans. Proc. N.Z. Inst., 

 53:357-359. 



MASON, J. H. & ALEXANDER, R. A. (1939) Studies of the rickettsias 



of the typhus_rocky-mountain_spotted_fever group in South 

 Africa. IV. Discussion and classification. Onderste- 

 poort J. vet. Sci., 13 (l): 67-76. 



MASSA, F. (1936A) Contribute alia distribuzione geografica delle 

 zecche Ornithodorus nella Somalia Italiana. G. Med. 

 milit. ,"TAr5TrZ53IZ59. 



(1936b) Febbre esantematica da zecche, a Mogadiscio. 



Ibid, 84(9): 873-877. 



MASSEf, A. Y. (1905) Spirillosis in Portvigese West Africa. J. 

 trop. Med. (Hyg.), 8(15): 225. 



(19O8) Some ticks of Central Africa. Ibid-, 11 (5): 70. 



MATHIS, C. (1928A) Identite a Dakar du spirochete des rats, du 



spirochete de la musaraigne et du spirochete recurrent 

 humain. Bull. Soc. Path, exot., 21 (6): 472-^85 . 



(1928B) Identite du spirochete de la fievre des tiques 



(Sp. duttoni) et des diverses souches de spirochetes 

 recurrents dakarois. Ibid , 2l(7): 585-593. 



MTHIS, C. &DURIEUX, C. (1932A) Identite, a Dakar, de Spirochaeta 

 duttoni var. crocidurae et du spirochete infect ant dans 

 la nature Ornithodorus"erraticus . B\ill. Soc. Path, 

 exot., 25 (7J: 843-853. 



(1932B) Idem . C.R. Acad. Sci. Paris, 



194112; ; 110711109. 



MATHIS, C, DURIEUX, C. & ADVIER, M. (1933) Transmission naturelle 

 et experiment ale a I'homme du spirochete infectant dans 

 la nature , a Dakar , la tique Ornithodorus erratic us vel 

 marocanus . (Note preliminaire ) . Bull. Soc. Path, exot., 

 ^(§j:lO^A_1098. 



- 1011 _ 



