SYSTEMATIC INDEX. 
Tun . 5- 
III. SYSTEMATIC INDEX f. 
Amaroucium , p. 325, key to Arctic spp., p. 325, translucidum, p. 326, 
pi. vi, figg. 8 & 9, pi. xiii, figg. 10*12, text-figg. 40-42, dubium , p. 329, 
mutabile, p. 330, pi. vi, fig. 7, pi. xiii, figg. 13-15, text-figg. 43-45, 
subacutum (?), p. 333, snodgrassi , p. 335, pribilovense , p. 336, pi. vi, 
fig. 6, pi. xiii, figg. 8 & 9, kincaidi , p. 337; Hartmeyer, Fauna 
Arctica iii. 
Aplidium, p. 338, key to Arctic spp., p. 338, lacteum , p. 338, pi. vi, fig. 13, 
pi. xiii, fig. 16, text-figg. 46 & 47, jlavum, p. 344, pi. xiv, figg. 7 & 8 
Hartmeyer, t. c. 
A. spitzbergense , p. 341, pi. vi, fig. 14, pi. xiii, fig. 17, schaudinni , p. 342,. 
pi. xiv, figg. 9 & 10, text-figg. 48 & 49, Spitzbergen ; Hartmeyer, t. c., 
n. spp. 
Appendicidarice , development ; Goldschmidt, Biol. 1 Centrbl. xxiii, pp. 72- 
76, 3 text-figg. : A., gelatinous “house” as apparatus for capture of 
food; Lohmann, Wiss. Meeresuntersuch. N. F. vii, Abth. Kiel, 
pp. 23-32, pi. iv, figg. 1-6. 
Archidistoma , p. 315, aggregatum , p. 315 ; Hartmeyer, Fauna Arctica iii. 
Ascidiidce , p. 278 ; Hartmeyer, t. c. 
Ascidia , p. 279, key to Arctic spp., p. 279, A. (Ascidiella) patula , p. 279,. 
A. obliqua , p. 280, pi. v, fig. 18, pi. xii, figg. 7-12, prunum , p. 285, 
pi. v, figg. 16 & 17, pi. xiii, figg. 1-5, text-figg. 22-31, dijmpliniana , 
p. 293, lurida , p. 294, pi. xii, fig. 6 ; Hartmeyer, t. c. 
Boltenia , p. 172, ovifera, p. 173, pi. iv, figg. 11 & 12, pi. x, figg. 1-4, forms 
ovifera , text-fig. 3, fusiformis, text-fig. 4 and reniformis, text-fig. 5 ; 
Hartmeyer, t. c. 
B. thompsoni , Pribyloff Is., p. 185, pi. v, fig. 1, pi. x, figg. 5-9 ; Hartmeyer, 
t. c., n. sp. 
Botryllidce , p. 261 ; Hartmeyer, t. c. 
Botrylloides gascoi , aestivation and rejuvenescence, with B. luteum as 
seasonal variation; Bancroft, Mark Anniversary Volume, pp. 147- 
166, pi. xi. 
Botryllus , discussion of variation, all N. Atlantic forms referred to one sp. 
B. schlosseri (Pallas), p. 154; Bancroft, P. Calif. Ac. (3) iii (5). 
Chelyosoma , p. 268, macleayanum , p. 269 ; Hartmeyer, Fauna Arctica iii. 
Ciona, p. 296, key to Arctic, spp. and varr., p. 296, intestinalis , p. 297, 
pi. xii, fig. 13, text-figg. 34 & 35, and var. longissima , p. 301, text-fig. 
36, gelatinosa , p. 306 ; Hartmeyer, t. c. : C. intestinalis, structure of 
heart ; Heine, Zeitschr. wiss. Zool. lxxiii, p. 464 : development of 
heart; Kuhn, Morphol. Jahrb. xxxi, p. 542: reversal of heart-beat; 
Bancroft & Esterly, Univ. Calif, publ. Zool. i (2), pp. 105-114: 
experiments on function of central ganglion ; Frohlich, Arch. ges. 
Physiol, xcv, pp. 609-615 : C. sp., regeneration at different stages of 
development; Driesch, Arch. Entwickmech. xvii, pp. 54-63, 3 figg. 
in text. 
Cionidce , p. 296 ; Hartmeyer, Fauna Arctica iii. 
Circinalium , p. 358, pachydermatinum, p. 358; Hartmeyer, t. c. 
Clavelina ( Podoclavella ), p. 307, borealis, p. 308; Hartmeyer, t. c. : 
C. lepadiformis , development of heart; Kuhn, Morphol. Jahrb. xxxi, 
p. 617 : C. sp., electrical stimulation of heart ; Carlson, Science (n. s.) 
xvii, pp. 548-550. 
f This sign when prefixed to a quotation indicates a fossil form or forms. When 
the character of a reference is not indicated the words “description” or “descriptive 
notes” are to be understood. 
1903. [Vol. XL.] 
c 14 
