1881 .] 
189 
[Annual Reports. 
by Mr. T. T. Bouve, is a very detailed one, and contains bio- 
graphical notices of a great number of past officers and members. 
The volume also contains thirteen scientific papers, as follows : 
Propositions concerning the Classification of Lavas considered with ref- 
erence to the Circumstances of their Extrusion, by N. S. Shaler. (15 
pages.) 
Genesis and Evolution of the species of Planorbis at Steinheim, by Alphe- 
us Hyatt. (114 pages, nine plates on eight sheets, one plate of sections; map 
and two sections in text.) 
The Devonian Insects of New Brunswick; with a note on the Geological 
Relations of the Fossil Insects from the Devonian of New Brunswick, by 
Principal J. W. Dawson, LL.D., F. R. S., etc., by Samuel H. Scudder. 
(41 pages, one plate.) 
The Gymnosporangia (Cedar Apples) of the United States, by W. G. 
Farlow. (38 pages, two plates). 
A new Structural Feature, hitherto unknown among Echinodermata, 
found in Deep-Sea Ophiurans, by Theodore Lyman. (12 pages, two 
plates.) 
The development of the Squid, Loligo Pealii Lesueur, by W. K. Brooks. 
(22 pages, three plates.) 
The Anatomy, Histology and Embryology of Limulus Polyphemus, by A. 
S. Packard, Jr. (45 pages, seven plates.) 
Contributions to the Anatomy of the Milk- Weed Butterfly, Danais Ar- 
chippus Fabr., by Edward Burgess. (16 pages, two plates; one cut in 
text.) 
The Development of a Double-headed Vertebrate, by Samuel F. Clarke. 
(6 pages, one plate.) 
Studies on the Tongue of Reptiles and Birds, by Charles Sedgwick 
Minot. (20 pages, one plate; six cuts in text). 
On the Identity of the Ascending Process of the Astragalus in Birds 
with the Intermedium, by Edward S. Morse. (10 pages, one plate; twelve 
cuts in text.) 
The Crania of New England Indians, by Lucien Carr. (10 pages, two 
plates.) 
The Feeling of Effort, by William James. (32 pages.) 
A separate edition containing the history, only has been published 
at five dollars a copy, and the whole volume has been furnished to 
subscribers at ten dollars, while the price has now been l’aised to 
fifteen dollars. The number of copies subscribed for was one 
hundred and sixty-nine. 
