Outlines of Zooloc^v. T- Arthur Thomson, 8th 

 edition. 28 + 972 pj). '528 ligs. Oxford Uni- 

 versity Press. 1929. 



This admirable survey of the animal kinodom 

 from Amoeha to man is remarkable for the 

 wealth of information systematically arranged in 

 a volume of handy size. It contains essentiallv 

 ^ - tlie information that the l)ej^innin2: zoologist 

 w should have, and the skillful use of three points 

 £ ^ of type gives a sense of perspective that is im- 

 ■p portant, especiall\- in a work of this kind. In the 



^ 03 ])resent edition the author has had the help of 

 ^ his son, Dr. D. L. Thomson, in addni.e^ more 

 ^'^' ])hysiolocrical material, and of J\Ir. R. M. Neill on 

 H<; the structure and development of the mud-fishes. 

 Hie first six chapters deal in a general wav w"th 

 Q>w physiology, morphology, palaeontology, the doc- 

 "^^ trine of descent, etc. Then follows an account 



P o . ' 



(DO of each of the principal phyla, including general 



*^^ characters, followed by descriptions of typical 



(D forms of special interest, then classification, struc- 



^ ture, life-history, ecology, and other topics, suchj 



as parasitism and relation to disease. The illus- 

 trations are clear and significant, and for the most 

 part are original. The final chapters deal with 

 geographical distribution and the factors in or- 

 ganic evolution ; then follow test questions, an ex- 

 cellznt list of books of reference, and an index. 



— R. P. BiGELOW. 





