PHYLLODOCIDJE. 43 



He showed, as indeed Claparede had already done, the erroneous nature of the view 

 of Dr. Williams x that the ccelomic fluid circulated in the leaf -like cirri. These consist of 

 cuticular and hypodermic tissue with glands. The blood is coloured but without cor- 

 puscles. Dr. Williams, however, had correctly stated that the cirri are not permeated by 

 blood-vessels. 



Grrube 2 gives the following arrangement for the Phyllodocidae : — 



I. — Tentacles five. 



Notophyllvm. 



Eulalia, Sav. 



(a) Eulalia, sans str. 

 Eumida. 



Sige. 



(b) Pterocirrus. 



II. — Only two tentacles and two sub-tentacles. 



Myriocyclum. 

 Kinbergia. 

 Chsetojparia. 

 Phyllodoce. 



Langerhans (1879) quotes Grube's classification of the family from the ' Annulata 

 Semperiana,' viz. : (1) All the tentacular cirri springing from one segment — -Genet ijllis, 

 Mgrn. (2) Three pairs of tentacular cirri from the same segment. A pair of bristle- 

 bundles on the second segment — Anaitis, Mgrn. (3) Three pairs of tentacular cirri and 

 bristle-bundles on first, or on first and second segments. One pair on the following : — 

 Garobia (De Quatref.) Marenz. (4) Both of the first segments bear two pairs of ten- 

 tacular cirri, as in Phyllodoce Paretti, P. comiculata, etc. In the second division with 

 five " antennas " (tentacles) and four pairs of tentacular cirri he has the following groups : 

 a, Proboscis well furnished with papillae : (1) All the tentacular cirri similar — Eulalia; 

 (2) Cirrus tentaculus ventralis with a broad border — Pterocirrus. b, Proboscis with a ring 

 of papillae in front — Eumida. c, Proboscis smooth, without papillae — Sige. 



Levinsen (1883) followed Malmgren so far as to place the Phylloclociformia after the 

 Aphroditiformia, the Nephthydidae being a sub-division. 



Pruvot, after a careful examination of the nervous system of the group, proposed in 

 1885 the following classification : — 



I. Five antennae. A. The first three dorsal cirri subulate : Eulalia (including 



Eulalia, Sav. ; Kinbergia, Quatref. ; Eracia, Quatref. ; 

 Eumida, Mgrn.). 

 B. The first two dorsal cirri subulate {Eulalia incompleta, 

 Val.?; E. obtecta, Gr. ?). 



1 'Philos. Trans./ 1852, ii, p. 627. 



2 l Scliles. Gesellscli./ November 19th, 1879. 



