6 Tun. VI. TUNICATA. [1905] 
H. spinosa , Djibouti ; Sluiter, Bull. Mus. Paris xi, 1905, p. 102, and Mem. 
Soc. zool. France xviii, p. 16, pi. ii, figg. 8-8rf, n. sp. 
Hexacrobylus , n. g. psammatodes , Malay Archipelago, p. 326, text-fig. 2 ; 
Sluiter, Tijdscnr. Nederland. Dierk. Ver. (2) ix (1 & 2), n. sp. 
Leptoclinides , n. g. ( Didemnidce ), fceroensis, Iceland and Faroe, p. 20, 
pi. iii, figg. 4-8 ; Bjerkan, Bergens Mus. Aarbog 1905, No. 5, n. sp. 
Leptoclinum bistriatum , Obock ; Sluiter, Bull. Mus. Paris xi, 1905, p. 103, 
and Mem. Soc. zool. France xviii, }>. 18, pi. ii, figg. 10-106 : L. octo- 
gesimum , Mauritius, p. 402, pi. xiii, figg. 4 & 5 ; Hartmeyer, Zool. 
Jahrb. Suppl. viii : n. spp. 
Macrodinum pomum, p. 17 ; Bjerkan, Bergens Mus. Aarbog 1905, No. 5. 
JMolgula herdmani , Faroe-Shetland Channel, p. 5, pi. i, figg. 1-6 ; Bjerkan, 
t. c. n. sp. 
Oikopleura , Irish Sea ; A. Scott, P. Liverp. bid. Soc. xix, pp. 21 & 227 : 
0. vanhoffeni , p. 355, chamissonis , p. 356, labradorensis , p. 356, pi. xii, 
figg. 1 & 6 ; Lohmann, Zool. Jahrb. Suppl. viii : 0. dioica, spermatozoa, 
p. 88, pi. xix ; Betzius, Biol. Untersuch. (n. F.) xii : 0. huxleyi 
[n. nom. for] Appendicularia flagellum , Huxley, p. 206, pi. ii, figg. 9- 
11; Bitter & Byxbee, Mem. Mus. Harvard xxvi (5): 0. rufescens, 
anatomy ; Salensky, Mem. Ac. St. Petersb. (8) xv (1). 
O. gaussica , p. 359, pi. xii, figg. 2, 4 & 7, valdivice , p. 360, pi. xii, figg. 3 & 5, 
Antarctic Sea ; Lohmann, Zool. Jahrb. Suppl. viii, n. spp. 
Polyandrocarpa violacea , Djibouti ; Sluiter, Bull. Mus. Paris xi, 1905, 
p. 101, and Mem. Soc. zool. France xviii, p. 10, pi. i, figg. 3-36, n. sp. 
Poly car pa libera , p. 11, pi. ii, figg. 5-7 ; Bjerkan, Bergens Mus. Aarbog 
1905, No. 5 : P. nigricans, p. 390, pi. xiii, figg. 1, 12-14 ; Hartmeyer, 
Zool. Jahrb. Suppl. viii : P. sulcata, p. 97, pedunculata, p. 98, pi. iv, 
figg. 9 & 10, obscura, p. 107, nebidosa, p. 110, data, p. 112, pi. iv, 
figg. 3-5 ; Michaelsen, Zool. Jahrb. Suppl. viii. 
P. mobii, Bass Straits, p. 104, pi. iv, figg. 6-8 ; Michaelsen, Zool. Jahrb. 
Suppl. viii, n. sp. 
Polyclinum festum , Mauritius, p. 400, pi. xiii, figg. 6 & 7 ; Hartmeyer, 
Zool. Jahrb. Suppl. viii, n, sp. 
Pyrosoma , embryology; Korotneef, Mt. Stat. Neapei xvii, pp. 295-311, 
pis. xvii-xix, 4 text-figg : P. giganteum, p. 98, text-figg. 30 & 31 ; 
Bitter, Univ. Calif, publ. Zool. ii (3). 
P. agassizi, near Marquesas Ids., p. 201, pis. i & ii, figg. 1-8 ; Bitter 
& Byxbee, Mem. Mus. Harvard xxvi (5), n. sp. 
Salpa, spp., structure of eyes ; Bedikorzew, Morphol. Jahrb. xxxiv, 
pp. 204-239, pi. vi : S. runcinata-fusiformis, echinata, democratica- 
mucronata (' i ), p. 99 ; Fowler, Tr. Linn. Soc. London x (4) : 
S. punctata, eye and neural gland ; Metcalf & Johnson, Biol. Bull, 
ix, p. 196 : S. fusiformis-runcinata , p. 64, text-figg. 12 & 13, form 
echinata, p. 67, text-figg. 14 & 15, tilesii-costata, p. 70, text-figg. 16 & 17, 
democratica-mucronata , p. 73, text-figg. 18 & 19, zonaria-cordiformis, 
p. 76, text-figg. 20 & 21, cylindrica, p. 79, text-figg. 22 & 22 l , con- 
fcederata-scutigera , p. 80, text-fig. 81 ; Bitter, Univ. Calif, publ. 
Zool. ii (3). 
Stolonica prolifera , Somali coast ; Sluiter, Bull. Mus. Paris xi, 1905, 
p. 102, and Mem. Soc. zool. Franco xviii, p. 12, pi. ii, figg. 5-5e, n. sp. 
Styela plicata, p. 384 ; Hartmeyer, Zool. Jahrb. Suppl. viii. 
S. doliolum, Norwegian Seas, p. 8, pi. i, figg. 7-8, pi. ii, figg. 1-4 ; Bjerkan, 
Bergens Mus. Aarbog 1905, No. 5 : N. natalis, Mauritius, p. 387, 
pi. xiii, figg. 8-11 ; Hartmeyer, Zool. Jahrb. Suppl. viii : S. miniata , 
Somali coast ; Sluiter, Bull. Mus. Paris xi, 1905, p. 102, and Mem. 
Soc. zool. Franco xviii, p. 11, pi. i, figg. 4-4 c, n. spp. 
Thaliacea of Valencia ; Delap, Ann. Bep. Fish. Ireland, 1902-03, Pt. ii, 
App. I, pp. 1-9. 
