(TraJiant-Sinltk 



343 



(o) Tests wlili Anti-Crane s-E(j(j tSenun. 



'Phis anlisci'iiiu was prepared by intraperitoneal injections of the 

 egg-albumin of the Cape Crowned Crane (Baled rica reyidorum) into 

 a Rabbit. 



Material tested • «■ • 



27 Etjg- Albumins 

 (a) 15 Birds' egg-albiniiius 4 

 {h) -2 Reptile ,, 2 . 



(c) 3 Ampliibian „ 8 • 



(d) 7 Fish 7 

 129 Blood Sera 



ri.5 Chelonia 13 2 (13"/„) 



I 4 Crocodilia 4 



60 Reptilia -| 13 Laceitilia 13 



^28 Ophidia 28 



18 Ampliibia 18 



39 Pisces 39 



12 Artlnopoda 12 



2(13' 



This was a rather weak antiserum and failed entirely to react with 

 four birds' egg-albumins, and gave only two very feeble reactions with 

 two tortoise bloods. 



B. QiiaUtative tests with Antiserum fur FoiuVs Bluod. 



This antiserum was prepared by Dr Nuttall, and with it only the 

 following tests on birds' egg-albumins were made to render the experi- 

 ments already carried out more complete. 



Material tested • * ? * x + 



13 Birds' egg-albumins 3 (23"/,,) 1 (8"/„) 5 (38»/„) 2 (14%) 2 (14"/,) 



Percentage 

 of positive 

 + reactions 



77 



Saiitiiiari/ of results of Qualitative Tests with Autisera to Avian 



E(j(j~Albu.iuius. 



With the five antisera for Avian egg-albumins 66 tests were made 

 with dilutions of birds' egg-albuinins and 85^0 of distinct ])ositive 

 reactions were obtained, of which 62 7o were very well marked. ( )nc 

 egg-albumin dilution, namely that of the chaffinch, failrd to react with 

 any of these antisera, but reacted with antiserum to fowl's blood. 



