NOTES ON PEDICULUS VESTIMENTI. 279 



shoulder and showed no evidence of any abnormal effort in get- 

 ting the blood. 



A few smear preparations were made of the blood from the 

 digestive tube; but showed no evidence of infection. The fact 

 that nearly all the lice that died were full of undigested blood is 

 the only evidence that Du R.'s blood is not normal. 



PAPERS REFERRED TO. 

 Foot, Katharine. 



'19 Preliminary Note on the Spermatogenesis of Pediculus vestimenti. 



BIOL. BULL., Vol. 37, No. 6. 

 '19 Determination of the Sex of the Offspring from a Single Pair of 



Pediculus vestimenti. Ib. 

 Nicolle, C. 



'19 Reproduction experimental du typhus exanthematique chez le singe. 



C. R. Acad. des Sc., 149. 

 Nicolle, C., Conte and Conseil, E. 



'10 Transmission experimental du typhus exanthematique par le pou du 



corps. Ann. Inst. Past., 24. 

 Nicolle, C., Blaizot, L., et Conseil, E. 



'12 Etiologie de la fievre recurrente. Son mode de transmission par le 



pou. C. R. Acad. des Sc., 154. 

 Nuttall, George H. F. 



'17 Bibliography of Pediculus and Phthirus. The Part Played by Pedicu- 

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'10 Recherche sur la fievre recurrente et son mode de transmission dans 



une epidemic algerienne. Ann. Inst. Past., 24. 

 Sergent, E., Gillot, V., et Foley, H. 



'n Typhus recurrent algerien. Sa transmission par les poux. C. R. Soc. 



Biol., 70. 

 Strong, Richard P. 



'18 Trench Fever. Report of Commission Medical Research Committee. 

 American Red Cross. Oxford University Press. 



