42 Verm. 
XV. VERMES. 
PLATYHELMINTHES. 
NEMERTINA . 
[The following memoirs relate to Nemertina : — Bergendal (27-29), 
Burger (64), Coe (83), Coe & Kunkel (84), Punnett (350), Wilson 
(450-452), Yatsu (457), Zykoff (474).] 
General Biology. 
Structure of some Heteronemertina , Bergendal (27). 
Blood system in spp. of Carinoma , epithelial sense organs in the 
head of Carinoma armandi , Bergendal (29). 
Experiments on merogony in Nemertine eggs, with reference to cleavage 
and localization, Wilson (450). 
Experiments in regulation and organization of the egg, Yatsu (457). 
Experiments on cleavage and localization in the egg, Wilson (452). 
Distribution. 
Arctic spp. (1 n. sp.), Burger (64). 
Norway, 12 n. spp., Punnett (350). 
Sweden, n. spp., Bergendal (28). 
Russia, fauna, Zykoff (474). 
Gulf of St Lawrence, n. sp., Coe & Kunkel (84). 
Porto Rico, 3 n. spp., Coe (83). 
Systematic. 
Amphiporus groenlandicus , Arctic regions, Burger, Fauna Arctica iii, 
p. 59, pi. iii, fig. 2 ; A. pusillus (Metanemertini), p. 29, pi. i, figg. 9-12, 
A. magnus , Norway, anatomy, p. 30, Punnett, Bergens Mus. Aarbog 
1903, pt. i; A. rufostriatus, Sweden, anatomy, Bergendal, Arkiv 
Zool. i, p. 113 : n. spp. 
Carinella ambigua (Protonemertini), Bergen, Punnett, Bergens Mus. 
Aarbog 1903, pt. i, p. 8, pi. i, fig. 13, n. sp. 
Carinoma armandi and C. tremapkoros , blood system and sense-organs in 
the head, Bergendal, Zool. Anz. xxvi, pp. 608-619. 
Cerebratulus albocinctus , Sweden, Bergendal, Arkiv Zool. i, p. 142 ; C. 
lacteus , experiments on cleavage and localization in the egg, Wilson, 
^.rch. Entwickmech. xvi, pp. 411-460, 11 figg.; C. barentsi , C. fuscus, 
Arctic regions, Burger, Fauna Arctica iii, p. 62, pi. iii, figg. 3 & 4 ; 
C. longifissus , Bergen, Punnett, Bergens Mus. Aarbog 1903, pt. i, p. 26, 
pi. i, figg. 2, 5, 15, pi. ii, fig. 22. 
C. norvegicus (Heteronemertini), Bergen, anatomy, Punnett, t. c. p. 24, 
pi. i, fig. 6, pi. ii, fig. 21 ; C. melanops , Gulf of St Lawrence, anatomy . 
and histology, Coe & Kunkel, Biol. Bull, iv, pp. 119-124, 4 figg. ; 
C. antillensis , Porto Rico, Coe, Bull. U. S. Fish Comm, xx, 2, p. 227 : 
n. spp. 
JEunemertes nordgaardi (Metanemertini), Norway, anatomy, Punnett, 
Bergens Mus. Aarbog 1903, pt. i, p. 27, pi. i, figg. 1, 3; EA spongicola> 
Sweden, Bergendal, Arkiv Zool. i, p. 98 : n. spp. 
, Linens nigrobrunneus , Sweden, Bergendal, t. c. p. 132; L. niveus , p. 13, 
pi. i, figg. 4-7, L. $candinaviensis> p. 16, pi. ii, fig. 20, L. r.inereus , 
p. 17, pi. ii, fig. 19, Norway, anatomy (Heteronemertini), Punnett, 
Bergens Mus. Aarbog 1903, pt. i ; n. spp. 
