}feiliterranean Tt rvia and Itlinonea. 11 



A specimen from lat. 77"^ .">.')' N., lotif?. 53° iC E., has 

 tlie ai/undcd ^^rowtli, but tlio distance between the series is 

 about 01) mm., and the zorecia are somewhat h^nj^er than 

 is usual. There is no ovieeli. 



A si)ccimen from Naples which I had labelled /. conrava, 

 Rss. (Pi. II. fig. 11), may be a form of atlantica, and has a 

 long central oviecll but very little raised. 



Luc, Naples, Capri, Oran, N. Atlantic, and many other 

 places, but at present I hesitate to check the synonyms. 



Fossi/. Italian Tcrtiaries, 



Idmonea inciief/hinii, Ilcller, (PI. II. figs. 2,4.) 



Idmoneu metieijliinii, Ilnller, " Die JJiy. dos Aclriat.," Verh. der k.-k. 



zool.-bot. Ge8. Wieii, vol. xxi.x, p. ll'O, pi. iii. figs. 6, 7 (1867) ; 



Busk, Hrit. Mus. Cat. pt. iii. p. U (187"j); Water.s, " IJry. of the 



l{fiv of Naple.-*," Ann. & Map. Nat. Hist. sor. 5, vol. iii. p. 270 (1879) ; 



Sepuenza, Form. Terz. Keggio, p. 330 (1879); Calvet, Bry. Mar. de 



Corse, p. 41 (1902). 

 Lhnoiiea erecta, Calvet, Bry. Mar. de Cette, p. 82, pi. iii. figs. 5, 



(1902). 



This species occurs from Naples and Capri, but not 

 abundantly. In some respects it resembles /. atlantica, 

 though the branches are short, diverging at a moderately 

 large angle. On a specimen from Capri four ovicells occur, 

 which arc uot absolutely identical (fig. 2). In neither is 

 the ovicell very long and does not include any zooicia, in 

 two cases reaching right across the zoarium (a, c) spreading 

 between two series. In the one (c) the ooeciostorae is not 

 directly touching any zooccinm, but is not far from the inner 

 zooecium of a series, and has a spread-out nearly round 

 funnel (c), while the other («) has a plain tube distal to, 

 but close up to, a zooecium. The third ovicell {b) is situated 

 entirely on the left side of the median line, and has a curved 

 oocciostome directed proximally. The fourth ovicell is at 

 the end of the zooarium rather on one side. The tube seen 

 at the end is not an oocciostome, and the ovicell is immature. 

 Neither the ooeciostome on («) or [h) are readily made out, 

 but I believe my description is correct. 



Nt)w, /. meneghinii and I. triforis are very similar in the 

 branching and in the appearance of the series, hut meneghinii 

 is larger and has about five zooecia in a series instead of 

 three. /. triforis is considered by Friedl as only a variety, 

 and no doubt the i)ossibility has occurred to all of us, before 

 the ovicells were known; but the most important dillcrence 

 is that the larger form has the frontal ovicells as now 



