2J Frock. 
XIII. Prochordata. 
[1919] 
I.— TITLES. 
Coulon, L. Muse4 d’histoire naturelle 
d’Elbeuf. Catalogue de I’embranche- 
ment des Tuniciers. Bull. Soc. Elbeuf 
87 1918 [1919] (85-93). 1 
Hartmeyer, R. Results of Dr. E. 
Mjoberg’s Swedish scientific expeditions 
to Australia 1910-13. 25. Ascidien. 
Stockholm Vet.-Ak. Handl. 60 No. 4 
1919 (150 pp.) 2 pis. 2 
Lohmann, H. Die Appendicularien 
der Valdivia Expedition. Berlin 
Verb. Zool. Ges. 24 1914 (157-192). 3 
Metcalf, M. M. The Salpidae col- 
lected by the United States Eisherics 
Steamer “Albatross” in Philippino 
Waters during the years 1908 and 1909. 
Washington Bull. U.S. Nat. Mas. 
100(2) Pt. 1 1919 (1-4). 4 
Metcalf, M. M. Contributions to the 
Biology of the Philippine Archipelago 
and its adjacent Regions. The Sal- 
pidae. Washington Bull. U.S. Nat. Mus. 
100 (2) Pt. 2 1919 (5—189) 14 pis. 5 
Michaelsen, W. Tunicata. Beitriige 
zur Kenntnis der Mceresfauna West- 
afrikas. Hamburg. 1915 (325-518) 
pis. xvi-xix. 6 
Sluiter, C. P. Uber einige alte und 
neue Ascidien aus dem Zoologischen 
Museum von Amsterdam. Amsterdam. 
Bydr. Dierk 21 1919 (1-12) 1 pi. 7 
Stiasny, G. Die Salpon. Sammlung 
in naturhistorisohon Reichsmuseum in 
Leiden. Zool. ]\led. Leiden 6 1919 
( 6 - 21 ). 8 
II.— SUBJECT INDEX. 
STRUCTURE. 
General : Hartmeyer 2. Lohmann 
3. Metcalf 5. Michaelsen 6. Sluiter 
7. Stiasny 8. 
DISTRIBUTION. 
Atlantic and Indo-Pacific Lohmann 
3. West Indies Sluiter 7. West Africa 
Michaelsen 6 ; Sluiter 7. Indo-Austra- 
lian Archipelago Sluiter 7 ; Stiasny 8. 
Philippines Metcalf 4, 5. Australia 
Hartmeyer 2. 
III.— SYSTEMATIC INDEX. 
TuNio.vrA, 
Of Elbeuf Museum, Coulon 1. 
Althoffia opressa p. 157, Atlantic 
verticalis p. 158, Indian Ocean gracilis 
p. 158, Bismarck Is., spp. n., Lohmann 
Verb. Deutsch. Zool. Ges. 24. 
Apsteinia subgen. n. (Salpa) type 
S. pwwc/a/a, Metcalf Bull. U.S. Nat. 
Mus. 100 (2) p. 71. 
Brooksia subgen. n. (Cyclosalpa) 
tyi)e C. rostraia, Metcalf t.c. p. 60. 
Cnemidocarpa valborgi sp. n. Aus- 
tralia, Haetmeyeii Stockholm Vet.- 
Ak. Handl. 60 No. 4 p, 35 pi. i figs. 
14-16. 
Distomus diptychos sp. n. Australia, 
Hahtmeyeb t.c. p. 87 i>l. ii fig. 48. — 
D. Malayensis sp. u. Java p. 6, Hipferi 
compacta var. nov. West Africa p. 4, 
Sluitek Bydr. Dierk Amsterdam 21, 
