UNITED STATES 419 



3. Spiders of the Homalattus group of the family Attida. 1895. v. 3, 

 no. i. Spiders of the family Attida from Central America and Mexico. 

 1896. 



Price: v. 2, no. 1-3 and v. 3, no. i, 750. each; v. i, o. p. 



BULLETIN . . . n. s. v. I-IV. Milwaukee, 1900-06. 8. q. 



v. 2, no. 4: The migration of birds with special reference to nocturnal 



flight, by H. A. Winkenwerder. 



v. 3, no. 1-3 (issued combined and publ. with the cooperation of the Board 

 of Trustees of the Milwaukee Public Museum) : The birds of Wisconsin 

 by L. Kumlien and N. Hollister. 

 Prices: SDC. a number; except v. 3, no. 1-3, $i. 



Distribution. Exchange with similar societies ; publications sent to a number 

 of libraries. On sale by the General Secretary. For the reports and Proceed- 

 ings still on hand, see price-list in recent numbers of the Bulletin. 



WOOD'S HOLL, MASS. 



Marine Biological Laboratory. 



Address. Wood's Holl, Mass. Director: C. O. Whitman, University of 

 Chicago, Chicago, 111. (Oct.-May), or Wood's Holl, Mass. (June-Sept.). 

 History. Incorporated in 1888 as a station for scientific study and inves- 

 tigations, and a school for instruction in biology and natural history. 



Meetings. Annual meeting of corporation and trustees at Wood's Holl, 2d Tuesday 



in Aug. 

 Membership. 200 members of corporation ; 64 life members. Annual fee, $4. 



Publications. 



BIOLOGICAL BULLETIN . . . v. I-XII, Oct. i899-May 1907. Boston, 

 1900-01 ; Wood's Holl, Mass., 1902-07. 8. 



Published by the laboratory since June 1902, forming 2 vols. yearly since 

 1903. v. 1-2 pub. under the auspices of the laboratory by Ginn & Co., 

 continuing the Zoological bulletin (v. 1-2, Aug. i897-Sept. 1899. Boston, 

 Ginn & Co., 1898-99.) 



Price: $3 per vol. (6 nos.) ; single nos., 7Sc. each. 



Annual reports. 



Biological lectures from the Marine biological laboratory, of Wood's 



Holl, 1890, 1893-1899 (Boston, 1891-1900. 12 & 8.) were published 



by Ginn & Co. 



Distribution. Biological bulletin exchanged for similar serials. Address sub- 

 scriptions to the Biological bulletin, 41 North Queen Street, Lancaster, Pa. 



Research facilities, &c. 20 tables for beginners in research (fee, $50 

 each) ; 55 rooms for the use of advanced investigators. The laboratory 

 is open to investigators, June i-Oct. i ; courses of instruction are given 

 in zoology, embryology, physiology and botany, July i-Aug. 15. 



