I III' AM IKK A\ HO'IANIST 13- 



iiR'iits vvlii(li iriick-r the use <»| a separate laboratory manual 

 iiimccfssary. The work Iji-^ins with a discussion of |»r<»to 

 plasm aixl llu- ic-ll, food-niakinj^', colorless plants, the ori^dn 

 of sex, etc. and this is followed hy clia|>ters devoted to roots, 

 lenis. leaves, flowers, and the like in I lie n^nal se(|nence. The 

 atithor make> a distinction between the fot^d <,i iJic plant a-> 

 a whole, v\hi(li in- rej^^ards as carbon dioxide and water, an<l 

 the l<io<| of prot(»j)lasm which he aj.(rees consists of starches, 

 and suj^ars. The book vsill '-carcely be suitable for clas>- 

 w<»rk on this side of the world but it ( aniiot fail to be ol intir- 

 est to all teachers of the subject for its clear presentation ol 

 the facts. It is published in Anierica by Uodd. Mead i<< 

 Conipany, New ^'ork, and ( osts $4,fK). 



I'ive vears aj.(o, John Merle ("oidter ami .Merle (' ("oidter. 

 father and son, brouj^ht out a ^nialj book on "I'lant Genetic-'" 

 with a view of niakinj; the information on this subject avail- 

 able to bej.,'innin^ students. Oenetics, however, is a youn^ and 

 vi^f»rously j^'rowin^ subject and new facts are coming t'» lij^ht 

 almost daily. \'<>r this reason books r,n the subject are out 

 of j)rinl almost as soon as issued and a reissue of the Coulter 

 book has already become desirabb-. The new issue has recent- 

 Iv appeared from the Chicaj^o I Diversity Press, it has ac- 

 rpiired a new title "Outline of Oenetics ; with special reference 

 to Plant Material" and bears the name- of .Merle (* Coulter 

 as sole author. As to the j^eneral subject it may be said that 

 the outstan(linj.( features of j^enetics are now fairly well recoj^- 

 iii/.ed and the task of subsequent wf>rkers will consist larj^ely 

 in rounding out the subject by investigation of such lesser 

 problems as invariably come up in new studies. The new vol- 

 ume, therefore, is very much like the old ouc, except that it ha.- 

 been brou^'ht up to date by the adtlition of pertinent material. 

 Ijke its predecessor, it i)resents the facts in intelligible Ian- 



