256 Field Columbian Museum — Reports, Vol. II. 



Pub. 92. — Botanical Series, Vol. 3, No. 2. "Plantae Yucatanae. 



(Regionis Antillanae.) Plants of the Insular, Coastal, 

 and Plain Regions of the Peninsula of Yucatan, Mexico." 

 By Charles Frederick Millspaugh. 70 pp., 90 illustra- 

 tions (zinc etchings), edition 1,500. 



Pub. 93. — Zoological Series, Vol. 5. "The Fresh-Water Fishes of 

 Mexico North of the Isthmus of Tehuantepec." By 

 Seth Eugene Meek. 316 pp., 89 illustrations (i zinc 

 etching", 88 half-tones), edition 1,500. 



Pub. 94. — Geological Series, Vol. 2, No. 6. "Structure and Relation- 

 ships of Opisthocoelian Dinosaurs." Part II. "The 

 Brachiosauridag." By Elmer S. Riggs. 19 pp., 6 illus- 

 trations (half-tones). 



Pub. 95. — Zoological Series, Vol. 4, Part I. "The Land and Sea 

 Mammals of Middle America and the West Indies." 

 By D. G. Elliot. 490 pp., 181 illustrations (half-tones), 

 edition 2,000. 



Pub. 95. — Zoological Series, Vol. 4, Part II. "The Land and Sea 

 Mammals of Middle America and the West Indies." 

 By D. G. Elliot. 424 pp., 196 illustrations (half- 

 tones), edition 2,000. 



The Museum list of exchanges comprises 1,169 institutions and 

 individuals. Of this number, 493 are with foreign countries, and 

 676 in the United States. 



The following list shows the number of exchanges with each of the 

 foreign countries: 



Australia, 21 Germany, 103 



Canada, 30 Great Britain, 76 



Central America, .... 7 Greece, 2 



Cuba and the West Indies, . 5 Netherlands, 10 



Mexico, 16 Italy, 27 



Yucatan, 2 Malta, i 



Argentine, 11 Norway, 7 



Brazil, ....... 7 Portugal, 5 



British Guiana, i Roumania, i 



Chili, I Russia, 14 



Peru, . 2 Spain, 5 



U. S. Columbia, 2 Sweden, 10 



Uruguay, i Switzerland, 10 



