Bulletin - United States National Museum . short straight su-ture below the peduncle is veryshort, closelv coveredwith large transversely lengthened scales, in six rows of about 5 scaleseach. Length of the capitulum 8, breadth , mm.; length of thepeduncle mm.; length of the carina (, diameter at base 1 more conspicuous features of this small species are its exces-sively narrow rostrum, the rounded roof of the carina, the somewhathour-glass shaped inframedian latera, and the very long and narrowcarinal latera. Where the rostrum is so reduced as in this .species, itsc
Bulletin - United States National Museum . short straight su-ture below the peduncle is veryshort, closelv coveredwith large transversely lengthened scales, in six rows of about 5 scaleseach. Length of the capitulum 8, breadth , mm.; length of thepeduncle mm.; length of the carina (, diameter at base 1 more conspicuous features of this small species are its exces-sively narrow rostrum, the rounded roof of the carina, the somewhathour-glass shaped inframedian latera, and the very long and narrowcarinal latera. Where the rostrum is so reduced as in this .species, itscomplete elimination in some individuals would occasion little two specimens were taken, the second one being immature,about half the size of tlie type. They were seated upon a slenderannelid tube. S. gracilis is closely related to S. 7iov3e,zelandis6 Hoek and Hoek, both antipodal species. 8. luwsezelandiae. differs by hav-ing the carina flat-roofed. 6. -flavum. is very close to 8. gracilius^ but.
Size: 1007px × 2481px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience
