27 



Nothing is so requisite to the busy mind as relaxation, and how can it 

 be better obtained than by retiring to her solitudes and making com- 

 parison of all the grand and beautiful things that nature has given us. 



Mr. W. P. Anderson asked whether any analogy could be traced 

 between the classifications of the animal and vegetable kingdoms. 



The President said he thought not, as the classifications were 

 formed quite independently of one another. 



Prof. John Macoun was of opinion that there might be, for in 

 plants, as in animals, there were four principal types: the thallophytes 

 corresponding to the radiates; the acrogens and endogens to the 

 moUusca and articulata, and the exogens to the vertebrala. To make 

 the analogy still more marked he compai-ed the gymnosperms, the 

 lowest form of exogens, with the marsupials and raonotremes, the 

 lowest forms of mammalia. 



ADDENDA. 



A. LiNN.EUS. 



Division A. — Heart of 4 cavities, — 2 ventricles, 2 auricles, — blood 

 warm and red. 



Viviparous — Mammalia. Class I 



Oviparous — Aves " H 



Division B. — Heart of 2 cavities, — blood red and cold. 



Having lungs — Amphibia. " III 



Having gills — Pisces. " TV 



Division C. — Heart of 1 cavity, — blood white and cold. 

 Having antenna?, 



Undergoing transformation, — Insecta. " V 



Having tentacula. 

 No transformation, — Vermes. " VI 



B. — Dawson. 

 Vertebrata. Mollusca. 



Mammalia — Mammals. Cephalopoda — Cuttle-fish. 



Aves— Birds. Gasteropoda — Univalve Shells, 



Reptilia — Reptiles. Lamellibranchiata — Bivalves. 



Pisces — Fishes. Heterobranchiata — Tunicates. 



Articulata. Kadiata. 



Arachnida — Spiders and Mites. Echinodermata— Star-fishes. 

 Insecta — Insects. Anthozoa — Coral animals. 



Crustacea — Lobsters, etc. Acalephee — Jelly-fish. 



Annulata — Worms. . Protozoa — Animalcula?, Sponges. 



