.i.u/'.'/.'/r.i.v M(si-:rM cr/Di-: LhWFLi-rrs 117 



rill': i:\()i.r'iM()N oi' tiik H()l^s^:. lu w n .Mmtukw. imi.d, 



Curator, 1 )c|)art luciit of N'crtchrulc l':ila(M)iilolon,\ . /,/ priss. iV.', 



paj^rs, M) illustrations. I*ricc, 20 cculs. 



'Vhv past j2;(>olo<ii(' history of the Horse alToids the most coiiiijIcIc 

 and conxiiu'inji; illustration of (*\-olutioii ainoiiji- inaiiiinals. This leaf- 

 let, based upon material in this Museum, describes the successixc 

 stajies in its evolution from the four-toed " I'^oln'ppus no bijijier than 

 a fox" to the single-toed h()rs(» of to-day. 



REPRINTS 



of Important Articles in the Atti(ric(i/i Museum Jouninl. 



TlIK (iUOrXD SLOTH CIROIP. By W. D. M.\tthk\v. April, 1911. 

 Describes the structure and habits of those giant relatives of our .sloths 

 and anteatus. 8 pages, 4 illustrations. Price, o crul.s. 



METHODS AND RESULTS IX HERPETOLOGY. By Mahy C 

 DicKERsox. October, 1911. Describes the methods u.sed in mount- 

 ing or repro(hicing Reptiles and Amphibian, 12 [)ages, 19 illustrations. 

 Price, 5 cents. 



THE WHARF PILE GROUP. By Rov \V. Mixer. March, 19i:5. 

 Illustrating s})eciahzation to an inactive life as shown by sponges, hydroids, 

 and sea anemones. .S pa:i;es, 4 illustrations. Price, 5 cents 



THE SEA WORM (iROUP. By Rov W. Mixer. November, 1912. 

 Deals with the ma ine worms of the Atlantic Goast and the battle of 

 lif(> that must be waged by all Hving creatures, Ki pages, 18 illustra- 

 tions. Price, 10 cents. 



THE ANCESTRY OF THE EDENTATES. By W. D. Matthew, 

 December, 1912. 8 pages, 4 illustrations. Price 5 cents. 



GUIDE TO THE COLLECTIONS 

 ILLUSTRATED 



New Edition issued July, 1913, 114 pages, 63 

 illustrations, many full page. Price 25 cents. 



KEY TO THE COLLECTIONS 



Contains plans of the different floors, notes, the chief objects of 

 interest in the various halls, and describes briefly the study collections. 

 Price 5 cents. 



These publications may be purchased in the Visitors' Room, near the 

 entrance, from the Attendants or from the Librarian. 



