II.— The STALK-EYED CRUSTACEANS OF THE ATLANTIC COAST OF 
North America north of Cape Cod. By S. I. Smith. 
This paper is the result of work clone in preparing a more complete 
account of the crustaceans of the coast of northern New England for 
the report of the United States Commissioner of Fisheries. The 
study of the extensive collections of crustaceans, made during the 
past fourteen years by Professor Verrill and myself, and particularly 
during the last seven years under the auspices of the Commission 
for the investigation of the fisheries, promised to add so much to the 
knowledge of the relations of the fauna of the western side of the 
North Atlantic, that it has seemed desirable to publish as early as 
possible the results bearing upon the geographical distribution of the 
species. This has been long delayed, however, by the great quantity 
of material which has each year been added to the collections, so 
that the time at my disposal has been little more than sufficient prop- 
erly to separate and care for the specimens themselves. In the 
present paper I have attempted to give these results for the species 
of stalk-eyed Malacostraca inhabiting the coast between Cape Cod 
and northern Labrador. Only a very small portion of the species 
composing the crustacean fauna is thus included, but it is that por- 
tion which is best known and consequently most useful in determin- 
ing the relations of the fauna. Although the paper has special 
reference to the geographical distribution of the species, considerable 
matter is introduced in regard to specific variation and specific 
characters, and, under some of the species, to the synonymy, where it 
seemed necessary to the proper understanding of the geographical 
distribution or to show the propriety of the nomenclature adopted, 
or where the species is not well-known. 
The practice among zoologists of neglecting to make clearly appar- 
ent what parts of their writings are based on their own observations 
and what on the works of others, is a frequent source of annoyance 
and error. This is particularly the case in the statement of the 
habitats of species, as often given, without the slightest indication 
whether the occurrence of the species, in each of the regions specified, 
is known to the author from personal observation or the examination 
of specimens collected by others, or whether the statement is based 
