NATURAL HISTORY MUSEUMS 81 



collection of tropical shells; and an Incomplete series of Michi- 

 gan shells. Local species for exchange. 



Botany. 2000 specimens: local spermatophytes and pterid- 

 ophytes; also some local forms of fungi and algae. Duplicates 

 for exchange. 



Ethnology. 200 stone implements of the American Indians. 



Detroit museum of art (including the Detroit scientific associa- 

 tion), Detroit. D. M. Ferry, president; George N. Brady, vice- 

 president; Frederick E. Far ns worth, secretary; Collins B. Hub- 

 iDard, treasurer; A. H. Griffith, director. 



For list of collections, see Addenda, p. 222. 



Hillsdale college, Hillsdale. No report. 



Michigan college of mines, Houghton. A. E. Seaman, professor 

 of mineralogy and geology in charge. 



Paleontology. 1000 specimens for use in illustrating lectures; 

 SlOO for use of students; a small type collection of living and 

 fossil forms arranged zoologically in accordance with Nichol- 

 son's Neiv manual of paleontology; 1000 fossils arranged zoolog- 

 ically and chronologically. 



Mineralogy. 35,756 specimens: 151 crystal models in glass, 

 :2153 crystal models in wood and plaster, 2260 natural crystals 

 to illustrate crystallography; 485 specimens to illustrate physi- 

 cal and optical properties of minerals, pseudomorphs, etc.; a 

 lecture exhibit of 10,000; 17,025 for use in laboratory work; 

 an exhibition collection of 2550 specimens including the Emmer- 

 son collection of 550; and 2132 microscope slides of minerals. 



Lithology. 18,248 specimens: a lecture collection of 3800 rocks; 

 ■a, laboratory collection of 6500; a series of 1000 of the Rosenbusch 

 typical rocks; 1975 specimens illustrating the f ormationis of Mich- 

 igan; and 4973 microscope slides of rocks. 



Zoology. 800 specimens: chiefly invertebrates for use in in- 

 struction in classification, previous to work in paleontology. 



Botany. 300 specimens of woods. 



JltJmo^logy. 250 specimens. 



