358 ANNALS NEW YORK ACADEMY OF SCIENCES 



Mr. Pacini's paper has been published as pages 161-224 of this volume. 



Remarks were made by Mr. Johnson and Mr. Price and Mr. Gaines 



of the Board of Water Supply testing laboratory. Several questions 



were asked by Professor Arnold of New York University. Eemarks 



were also made by Professor Arnold. 



The Section then adjourned. 



Charles P. Berkey, 



Secretary. 



SECTION OF BIOLOGY. 



8 April, 1912. 



Section met at 8 :15 p. m v Vice-President Lucas presiding. 

 The minutes of the last meeting of the Section were read and 

 approved. 



The following programme was then offered: 



Thomas H. Morgan, Sex-Linked Inheritance in Poultry. 



Louis Hussakof, The Spawning Habits of the Sea Lamprey, 



Petromyzon marinus. 

 John T. Nichols, Notes on Cuban Marine Fishes. 



Summary op Papers. 



Professor Morgan's paper has been published as pages 113-133 of this 

 volume. 



Dr. Hussakof said in abstract: The observations were made on the 

 Nissequoque River at Smithtown, Long Island, June 1 and 2, 1911, 

 while collecting material for an exhibition group of Petromyzon for 

 the American Museum. The nests are depressions in the gravel of the 

 river bottom, two or three feet in diameter, and six inches deep at the 

 center. The method of their construction and the general behavior 

 of the specimens of the nest are very similar to those of the Brook 

 Lamprey. But, owing to the large size of this species, all its movements 

 can be minutely observed. 



The speaker exhibited a small model of the Lamprey group now under 

 construction in the American Museum of Natural History and also life- 

 size models of adult lampreys. The paper was also illustrated by lantern 

 slides. 



Mr. Nichols dealt with the results of a brief collecting trip to Cuba 

 and exhibited various specimens. He passed in review some of the 

 Scombriform fishes. The king fish, Scomberomorus cavdlla, is highly 

 esteemed, but another species, S. regalis, is said to be occasionally 



