1912) Ritter: The Marine Biological Station of San Diego — 193 
TaBLE I—(Continued) 
a b c d 
New Total no. 
Group species species Investigator 
Asteroides— 
Serpent Stars 5 20 McClendon 
Flat-Worms— 
Endoparasites 1 2 Watson 
Chaetognatha 0 10 Michael 
Nemertea 10 37 Coe 
Bryozoa 21 70 Robertson 
Mollusea— 
Cephalopods 0 | Berry 
Naked Opisthobranchs 7 0 Cockerell 
Shell-bearing Gastropods 4 0 Raymond 
Shell-bearing Gastropods 6 21 Dall and Bartsch 
Crustacea— 
Copepoda 43 1138 Esterly 
Ostracoda 6 if/ Juday 
Cladocera 0 1 Juday 
Amphipoda 16 0 Holmes 
Stalk-eyed 14 ? Holmes 
Enteropneusta 3 3 Ritter and Davis 
Tunicata 13 25 Ritter 
Fishes 3 253 Starks, Davis and Mann 
Total 328 862 
While the chief value attached to the describing and record- 
ing of species les in their being the first steps toward a deeper 
knowledge of the organisms, there is a firm conviction in the 
minds of most of those who have participated in the work that 
a genuine and high intrinsic value pertains to such knowledge. 
The difference between the attitude of civilized and savage man 
with reference to nature consists to a considerable degree in the 
difference between a comprehensive and accurate knowledge of 
what actually exists in nature, and a restricted and at many 
points inaccurate knowledge. The starting place, consciously or 
unconsciously, of all knowledge of nature is description. So 
that were the enterprise to go no farther than the mere charac- 
terizing, arranging, and cataloguing of the kinds of organisms, 
