SECT. 9] 



PROTEIN METABOLISM 



1 139 



Table 163. Quantitative Data for Nitrogen Partition in Urine. 



Protozoa 



Paramoecium ... 

 Didinium 



Annelida 



Sea-mouse {Aphrodite aculeata) 

 Leech (Hirudo officinalis) 

 Earthworm {Lumbricus agricola) 



Gephyrea 



Worm {Sipunculus nudus) 



Arthropoda 



Crustacea 



Crab {Carcinus moenas) 

 Spidercrab {Maia squinado)... 

 Crayfish {Astacus fluviatilis) ... 



Insecta 



Silkworm {Bombyx mori) 

 Clothes-moth {Tinea pellionella) 



Clothes-moth ( Tiniella crinella) 



Insects in general ... 



MOLLUSCA 



Gastropoda 



Sea-hare {Aplysia limacina) ... 

 Land snail {Helix pomatia) . . . 

 Slug {Limax agrestis) 



Lamellibranchiata 



Clam {Mya arenaria) 



Oyster {Gryphoea angulata) ... 



Pond-mussel {Anodonta cygnaea) 

 Cephalopoda 



Octopus {Octopus vulgaris) ... 



Octopus {Sepia officinalis) 



ECHINODERMATA 



Nitrogen Partition in " ,'^ of the total 

 nitrogen excreted 



50-0 9-7 None i6-6 



8-7 2-3 



20-2 3-5 



lo-i 37 



0-51 



produkt des Insektenorganismus ist 

 die Harnsaure zu betrachten." 



33-5 8-7 4-6 13-0 



13-7 20-0 10-7 6-0 

 4-6 70-8 6-9 



21-5 4-5 Trace i8-o 



7-3 3-2 0-2 — 



63-0 _ _ _ 



5-0 



33-3 

 41-7 

 67-0 



[5-0 

 1-7 



1-4 



12-5 



20-7 

 7-8 



Farkas 

 Babcock & 



McCollum 

 Hollande & 



Cordebard 

 von Fiirth* 



9-3 Delaunay 

 5-8 

 1-7 5-9 



Przylecki 



23-6 Delaunay 

 — von Fiirth 

 1-9 Delaunay 



Starfish {Asterias rubens) 

 Sea-urchin {Paracentrotus 



lividus) 

 Sea-cucumber {Holothuria 



tubulosa) 



* p. 295. See 

 Schmieder. 



A. 39-3 1 1-7 Trace 23-8 6-8 „ 



A. 28-1 7-5 i-o 28-0 lo-o „ 



A. 40-0 6-0 Trace — — ,, 



Ackermann; Kawase & Suda; Kutscher & Ackermann; Roubaud; Poisson; and 



