176 PROCEEDINGS OF THE ACADEMY OP' [1888. 



cific coast, are almost black in color, a feature which may certainly 

 be regarded as protective if bright colors best invite the observation 

 of enemies. 



On the whole, the conclusion seems justified that many spidei-s 

 that appear to be more exposed to enemies by reason of bright colors 

 or greater size, have developed, or at least possess, special variations 

 in industry and habits that in some degree are protective. But 

 there are a number of apparent exceptions which require more care- 

 ful study before any general deduction can be warranted. 



May 22. 

 Mr. J. H. Redfield, in the chair. 

 Twenty-one persons present. 



May 29. 



Mr. J. H. Redfield, in the chair. 



Eleven persons present. 



The following papers were presented for publication : 

 " Description of a new species of Etheostoma (E. longimana)." 

 By David Starr Jordan. 



" On the generic name of the Tunny." By David Starr Jordan. 



June 5. 



Mr. Thomas Meehan, Vice-President, in the chair. 



Twenty-four persons present. 



0)1 an Insect-Larva Hthitation. — A communication was read from 

 Miss Adele M. Fielde stating that during June of last year there 

 were found near her house at Swatow, China, two specimens of an 

 insect larva-habitation, of a sort that she had not seen there before, 

 during a residence of a dozen years. The one was attached to an 

 exotic oak-leaved geranium, the other was crawling upon a path 

 under a Plnus sinensis. The first, some days later, gave issue to a 

 small brown moth. She opened the second and found the occupant 

 to be three-fourths of an inch in length, and black, with white specks 

 on the head and thorax. It had three pairs of short legs, ten ab- 

 dominal segmeuts, and l)iting mouth-parts. Its house was builded 

 from small dry stalks of plants, cut evenly and laid side by side in 

 SL spiral of expanding whorls, the larger coils overlapping the smaller 

 £Lt the lower edge, showing the lower ends of the straws. The coloi-s 



