Pomona College, Claremont, California 39 
Table 1: Data for Rana catesbeiana---Continued 
103 
104 
Body Tail 
53 25 
50° 25 
53; 20 
51 20 
50 20 
Shh eH) 
51 19 
53 18 
55 17 
52 15 
52 15 
54 15 
52 14 
54 14 
52 12 
54 12 
51 10 
52 9 
53 8 
54 7 
58 7 
53 5 
53 5 
49 5 
52 5 
52 4 
57 4 
53 4 
53 4 
55 4 
52 S) 
52 cf 
50 3 
50 2 
53 1 
55 0 
53 0 
50 0 
93 0 
80 0 
56 0 
63 0 
80 0 
1 5) 0 
80 0 
Mouth 
“ 
Ali. Can. 
105 
90 
93, stom. & in.t 
88 
91 
90 
85 
“ 
“ 
“ 
“ 
“ 
« 
“ 
“ 
“ 
“ 
“ 
Fore Legs Lot 
“ 
“ 
qe rege re rey ra 
ores 
FOOD 
Epidermis 
Epidermis 
Epidermis, Collembola 1, Capsidae 1, 
Diptera 1 
Nothing 
Epidermis 
Epidermis 
Philoscia (Oniscidae) 1 
Epidermis 
Oribatella (Acarina) 1, plant tissue 
Epidermis, green algae 
Epidermis 
Epidermis 
Epidermis 
Nothing 
E-pidermis 
Epidermis, Curculionidae 1 
Epidermis 
Epidermis? 
Lestes vigilax (Zygoptera) 1, seed 
Staphylinidae 1, Formicidae 1 
Difflugia 3, Hydrachna 1, Aphididae 1, 
Myrmicidae 1 
Epidermis 
Collembola 3, Rana tadpole 1 
Epidermis, Oritabidae 1, Insecta 1, 
Aphididae 1 
Epidermis, Spirogyra 
Collembola 1, Coleoptera 2, Staphylini- 
dae 1, Laccophilus 1, Dascyllidae 1 
larva, Formicidae 1, egg 1, achene 
of Scirpus 
Epidermis, unidentifiable material 
Collembola 1, plant fiber 
Epidermis, unidentifiable material 
Nothing 
Acarina several, Lestes nymph 
Nothing identifiable 
Collembola 1, Cercopidae 1 
Acarina 1, Collembola 1, Cercopidae 1, 
Agromyzidae 1, Anthonomus (Cur- 
culionidae) 1, Aphodius 1, bits of 
Sphagnum 
Coenagrionidae 1, Carabidae 1 
Gerridae 1, Lepidoptera 1 larva, Clado- 
phora, Spirogyra 
Coenagrioninae 1, nymph 
Copepoda 1, Agromyzidae 1, Elateridae 
Elateridae 1, young Rana catesbeiana, 
grass seed 
Clubionidae (Araneida) 2, Oribatidae 1, 
Collembola 3, Creniphilus 1, Coleop- 
tera 1, Sphagnum, twig 
Oribatidae many. Collembola many, Pa- 
norpidae, 1, Cercopidae 1, Agromy- 
zidae 1, Coleoptera 1, Hydrophilidae 
1 larva 
Aphididae several, Agromyzidae 2 
Nauplius many, Copepoda several, Col- 
lembola_1, Coenagrioninae 1, Coleop- 
tera 1, Elateridae 1, Curculionidae 1, 
Hymenoptera 1, Aphididae 1, Bidens 
seed, Sphagnum leaves, plant fibers 
Difflugia, Copepoda many, Acarina sev- 
eral, Coenagrioninae 1, Zygoptera 
nymph, Psocidae 1, Hemiptera 1, 
Coleoptera 1, Chrysomeelidae 1, Car- 
abidae, Curculionidae 1, Hydrophilidae 
1, young Bufo, moss, thistle-down 
Pentatomidae 1, Rhyncophora 2, Hydro- 
philidae 1, Apidae 1, much dirt, 
straw, moss-leaves, seeds, pieces of 
chitin 
