Anti-Ostrich Serum 203 



(No. 428), the bird having died at the Zoological Society's Gardens, 

 London. The antiserum was very powerful, giving, when standardized, 

 a precipitum of "042 c.e. 



Beactions 



64 Prisiates 63 



24 Chiropteka 24 



10 Insectivora 10 



69 Carnivora 68 



51 kodentia 51 



51 Ungulata 51 



2 Cetacea 2 



12 Edentata 12 



22 Marsopialia 22 



1 monotremata 1 



276 AvEs 



8 Ratitae 



3 Struthionidae (2 sp.) 



2 Casuaridae (2 sp.) 



3 Eheidae (1 sp. ) 

 268 Carinatae 



6 Colymbiformes (5 sp.) 2 3 



11 Ciconiiformea (11 sp.) 1 3 



29 Anseriformes (16 sp.) 6 12 (41 »/„) 

 36 Falconiformes (21 sp.) 8 11 (30 ,, ) 

 24 Galliformes (15 sp.) ... 1 13 (54 „ ) 



5 Gruiformes (3 sp.) • 3 



46 Charadriiformes (34s.) 9 18(39,,) 

 13 Cuculiformes (12 sp.) 1 3 (23 „ ) 

 22 Coraciiformes (9 sp.)... 4 9 (40 ,, ) 



76 Passeres (56 sp.) 25 32(42,,) 



4 Eggs 



1 Ratitae • 1 



3 Carinatae 2 1 



33 Reptilia 



12 Chelonia 10 2 



2 Crocodilia 1. 1 



19 Sauria 18 



10 Amphibia 10 



14 Pisces 14 



6 Crustacea 6 



5 ((i2 0/^) 



1 



4 



7(24%) 



13 (36 

 9 (37 

 1 



14 (30 

 8 (61 

 6 (27 



18 (24 . 



3 



3 (10 



4 (11 

 1(4 



4 ( 9 

 1(8 

 3 (13 



1(1 



- ) 



.:) 

 ., ) 

 .. ) 



r«"/o 



3*(377u) l'"J 



M^'Vu) 



2 7o) 



66 

 in 



79 

 77 

 96 

 100 

 80 

 92 

 81 

 67 



KlO 

 33 



17 



50 



5 



^79 7o 



12 Vo 



All 3 Struthionidae. 



The general results correspond to those given in the preceding 

 table, nevertheless, we see that the bloods of Ratitae (three Struthio- 

 nidae) give a higher percentage of large reactions than do those of 



