LIST OF OCCASIONAL PAPERS. 



Vol. 1. Entomological correspondence of Thaddeus William Harris, M. D. 



Edited by S. H. Scudder. xlvii + 376 pp., portrait, 4 pis. Bound in 



cloth, .$4.50. 

 Vol. 2. The spiders of the United States. A collection of the arachno- 



logical writings of Nicholas Marcellus Hentz. Edited by Edw. Burgess, 



with notes and descriptions by J. H. Emerton. xiii + 171 pp-, 21 pis. 



Paper, $3.00 ; cloth, §3.50. 

 Vol. 3. Contributions to the geology of eastern Massachusetts. By W. 



O. Crosby, vii + 286 pp., 5 pis. Paper, §3.00 ; cloth, §3.50. 

 Vol. 4. Geology of the Boston Basin. By W, 0. Crosby. 



Part l.— Nantasket and Cohasset. 77 pp., G pis. [Note.— This part 



can now be supplied only with complete sets of the work, at §4.50 



for the three, parts thus far issued.] 



Part 2.— Hingham. 110 pp., 6 pis. $1.00. 



Part 3.— The Blue Hills complex. 406 pp., 26 pis. $2.50. 

 Vol. 5. (In preparation.) 

 Vol. 6. Index to North American Orthoptera, described in the eighteenth 



and nineteenth centuries. By S. H. Scudder. vii + 436 pp. §1.50. 

 Vol. 7. Fauna of New England. 



No. 1. List of the Reptilia. By S. Henshaw. 13 pp. 15 ct* 



No. 2. List of the Batrachia. By S. Henshaw. 10 pp. 10 cts. 



No. 3. List of the Mammalia. By G. M. Allen. 35 pp. 25 cts. 



No. 4. List of the Echinodermata. By H. L. Clark. 13 pp. 15 cts. 



No. 5. List of the Crastacea. By M. J. Rathbun. 117 pp. 60 cts. 



No. 6. List of the Odonata. By P. P. Calvert. 43 pp. 



