2 Proch. 
XIII. Prochordata. 
[1917] 
I.— T I T L E S. 
Goodrich, E. S. “ Proboscis pores ” 
in craniate vertebrates, a suggestion 
concerning the premandibular somites 
and hypophysis. Q. J. Microsc. Sci. 
London 62 1917 (539-553) pi. xxviii. 1 
Hartmeyer, R. Ascidier. A con- 
spectus of the Ascidians of Greenland. 
Kobenhavn Medd. Gronl. 23 1917 
(1081-1117). 2 
Salensky, W. W. Salpa bicaudqta 
Petrograd Bull. Acad. Sci. 1917 (219- 
240 623-644 1113-1140). [Russ.] 3 
Selys-Longchamps, M. de. Sur le 
Bourgeonnement des PolystyelinAs 
Stolonica et Heterocarpa, avec quelques 
notes sur l’anatomie de ces deux 
genres. Bull. Sci. France Belgique 
Paris 50 1917 (170-276). 4 
Smith, K. M. and Newth, H. G. A 
Note concerning the collar cavities of 
the larval Amphioxua. Q. J. Miscrosc. 
Sci. London 62 1917 (243-251) pi. 
xviii. 5 
II.— SYSTEMATIC INDEX. 
Tunioata. 
Of Greenland, Hartmeyer 2. 
Heterocarpa and Stolonica, structure, 
budding, Selys-Longchamp 4. 
Salpa bicaudata, Salensky 3. 
Cephaloghordata. 
Amphioxus, ciliated pit, Goodrich 
1 ; collar cavities, Smith and Newth 5. 
