Xuttdll und Sfranr/eirai/s 



331 



Tests witJi Anti-Horse Sennit (1. \i. '02). 



The t'ull(j\vinu; tosts were cuiiducted with anti-horse seniiii obtained 

 from a rabbit killed 48 hours previously. 



Friiiuiten 



Rodeiitiu : 

 Cam if or a 



Also negative with the following Ungulate Bloods : Ox, Sheep, Antelope, Markhoor, 

 Burrhel Sheep, Goat, Mexican Deer. 



Cetacea : Result negative with the blood of Ealaenoptera rostrata (30. iv. 02). 



Result negative with the bloods of Man, Baboon, Ourang, Mandrill and two 



species of Ateles. The blood of a Cynocephalus (703) gave a curiously 



high figure, viz. 25 "/„. 

 Result negative with the bloods of Agouti, Rabbit, and Guinea-pig. 

 Result negative with the bloods of Otter, Genetta, Raccoon, Jackal, Caracal, 



and one Tiger. On the other hand a curious result was obtained with 



some bloods which gave the following percentages : two Cats (31 and 



25 "/o), Dog (31 ";„)- Bear (14 "/„), Tiger (13 «/,). 

 Mar.su2)ialia : Result negative with 8 bloods recorded on p. 329. 



* The blood used for treating the rabbit which yielded the antiserum. 



The antiserum used in this case was of" moderate power only, and 

 the precipitum amounts obtained were so small in most cases as to 

 permit of no small ernjr in stating the percentages. A considerable 

 distance separates the blood of the horse from that of other animals, 

 a relatively high figure being only obtained with the blood of Cervus 

 porcinus amongst the Ungulata, others giving less or no reaction. Of 



