198 The American Naturalist. [February, 
Haven; Treas., E. G. Gardiner of Boston; Committee at large, Prof. 
H. F. Osborn of Columbia, Dr. C. W. Stiles of Washington. 
Soctery or Morpno.ocists.—The annual meeting of this society 
was held at New Haven Dec. 28 and 29, 1893. In the absence of 
Prof. C. O. Whitman, Prof, E. B. Wilson occupied the chair. The 
following officers were elected for the ensuing year: Pres., Prof. €.0. 
Whitman of Chicago; Vice -Pres., Prof. W. B.Scott of Princeton; 
Secretary-Treasurer, Dr. G. H. Parker of Cambridge; Executive 
Committee, Dr. E. A. Andrews of Baltimore and Prof. F. H. Herrick 
of Cleveland. Professors E. L. Mark of Cambridge and T. H. Mor 
gan of Bryn Mawr were appointed as a committee to co-operate with a 
similar committee for the Society of Naturalists in the endeavor to se 
cure the placing of scientific instruments upon the free list. The fol- 
lowing papers were read: Bashford Dean, the significance of Kuppfers 
vesicle. H. H. Wilder, on the Phylogenesis of the larynx. C.W. 
Stiles, the anatomy of Fasciola magna, and a comparison with other 
forms (F. hepatica, F. gigantea, and F. jacksoni). F. H. Herrick, the 
structure and functions of certain organs occurring in the appendages 
of the Lobster. Arthur Willey, on some points in the development 
of Molgula manhattensis. C. B. Davenport, on Regeneration of Hy- 
droids. J. P. McMurrich, some points in the development of the Iso- 
pod Crustacea. C.S. Minot, apparatus for trimming paraffin blocks 
C. S. Minot, a comparison of larval and fæœtal types of development 
C. S. Minot, on Gonotomes. C. A. Kofoid, some laws of cleavage ® 
exemplified by Limax and other Invertebrates. H. E. Crampton, 1% 
versed cleavage in a sinistral gasteropod. W. A. Locy, the derivation : 
of the Pineal Eye from accessory optic vesicles. Charles Hill, Ep a 
physis of Teleosts and Amia. G. H. Parker, the structure of the : 
Rhabdome in Astacus. G. H. Parker, the optic ganglion in the ne 
tacea. W. B. Scott, on some Miocene Mammals, O.S. Strong, aner 
modification of the Golgi-Cajal method. Miss H. B. Merrill, prelim 
nary note on the eye of the leech. Miss S. F. Langdon, the s 
organs of Lumbricus. Dr. E. B. Wilson, a demonstrative object for 
study of Karyokinesis. toy 
The following demonstrations were given: C. W. Stiles, os 
of specimens of Distoma westermanni, Stilesia globipunctat, a 
centripunctata, Dracunculus medinensis, Spurious parasites. oe 
McMurrich, Ganglion cells and larva of an ectoparasitic Tran 
O. S. Strong, nerves stained by the Golgi methods. Chas. “s 4 
physis of Salmo. F. E. Langdon, Sense organs of Lumbricus. 
