187 



obtained, having a constant melting point of 207°. It is soluble iu chloro- 

 form, slightly soluble in ligroin, and insoluble in ether. 

 Calculated as C,„H.,^0^. Found. 



C 78.00 ' " 77.62 



H fi.OO 6.13 



The acetate and oxim have been prepared, but as yet no analyses have 

 been made, but the i)hysical properties determined correspond very closely 

 with tiiose of the other _\ ^-keto-R-hexene derivatives wliieh I liave pre- 

 pared. 



An investigation of the reaction of anisoinwitli cuminalacetone, piper- 

 onylenacetone and anisylidenacetone is being carried on. 



(xEOLOciY OF THE JeMEZ-AlBUQUERQUE RE(iION, N". M. 

 Albert B. Reauan. 



(.Abstract.) 



(Original published by the American (Geologist. Illustrations ii.scd by permission of that 



Publishing Company. 1 



(JEXEUAL DESCKIPTION. 



The .Iemez-Alliu(iuer(iue llegion described in this paper, is in north- 

 western New Mexico between longitude 10(),° 2(i' and l»i7° W. and latitude 

 o.j° and ?>i\° X. Roughly s]ieaking. it is a triangle with its apex toward 

 the south. It is boundt'd on the southeast l>y thi' San I>ia Mountains, ou 

 the sovitliwest ))y the Kio Pueico. and on tlie nortli l»y the uppri- i)lateau 

 of the Jemez Mountains. Its prineijial river is tlu" Kio t;ran<le. ami its 

 commercial center is Albnciuerciue. The Santa Fi^ Railroad enti is the 

 region at the northeast, near Tliornton. and passes through it. ,iust to the 

 east of the Rio Grande to All)U(iuer(pie. At this point tlii' road liranches, 

 one l)ranch of the systeni noing to El I'aso. Texas, tlie other, the Atlantic 

 and r.-icitie. to ("alifcnaiia and the Paeitic coast. 



GENERAL STTRVEY. 



Tliis section, as a whoU'. is one \ast desert area, sparsely covereil with 

 grass. pifioni'S. red cedar, sage iirush and cactiis, except in the valleys 

 where there is sutticient water for irrigation. In those valleys c(aai. wheat, 

 fruit and lieans ai-e raised b\' the natives and Mexicans. To consider the 



