Fishes of the Western North Atlantic, Edizione 1,Parte 6John Tee-Van Sears Foundation for Marine Research, Yale Univ., 1948 |
Dall'interno del libro
Risultati 1-3 di 80
Pagina 15
... tail . Internally , toward the middle of the tail , ossification of the vertebrae decreases , and in the posterior portion of the tail the verte- brae are represented by their neural and haemal arches and by delicate rings around the ...
... tail . Internally , toward the middle of the tail , ossification of the vertebrae decreases , and in the posterior portion of the tail the verte- brae are represented by their neural and haemal arches and by delicate rings around the ...
Pagina 16
... tail are quite rare . In a regenerated tail , the last few vertebrae are slightly turned up- ward and a pulpy ( notochordal ? ) axis extends back beyond the last ossified vertebra to bear the pseudocaudal rays . Even though these last ...
... tail are quite rare . In a regenerated tail , the last few vertebrae are slightly turned up- ward and a pulpy ( notochordal ? ) axis extends back beyond the last ossified vertebra to bear the pseudocaudal rays . Even though these last ...
Pagina 33
... tail and an anal fin with long rays , but the single dorsal member has a short base . Undulations of the tail and anal fin will again drive the animal forward and incline it head - down to the sediments . The photographs often show ...
... tail and an anal fin with long rays , but the single dorsal member has a short base . Undulations of the tail and anal fin will again drive the animal forward and incline it head - down to the sediments . The photographs often show ...
Sommario
Order Heteromi Notacanthiformes By S B MCDOWELL I | 30 |
Family Lipogenyidae | 208 |
Suborder Polymixioidei | 268 |
5 sezioni non visualizzate
Altre edizioni - Visualizza tutto
Fishes of the Western North Atlantic: Editorial Board: Editor-in ..., Parte 4 John Tee-Van Visualizzazione estratti - 1948 |
Parole e frasi comuni
1st dorsal fin 2nd dorsal adults Aldrovandia anal fin anal rays anus barbel base Bean body bone branchial branchiostegal membranes branchiostegal rays Bull caeca canal Caribbean caudal fin Caudal peduncle cavity Coelorhynchus depth descr distr dorsal fin dorsal ray dorsal spine FIGURE fin rays Florida FMNH frontal genus Gilbert and Hubbs Gill rakers gnathoproctal length Gulf of Mexico Günther Halosauropsis halosaurs head length Heteromi Hist hyomandibular Interorbital width Jordan and Evermann lateral line lateral-line scales Lipogenys lower jaw macrourids Madeira margin maxilla maxillary median Melamphaes nostril Notacanthidae Notacanthus oceanogr opercular orbit OREGON St orig palatine pectoral fin pectoral rays pelvic fin pelvic rays Polyacanthonotus pores posterior premaxilla preopercle preopercular Proc pyloric range ridges rissoanus scale rows South spec specimens spinules suborbital supratemporal swim bladder synon teeth tooth patch trawl U.S. nat upper jaw USNM Vaillant ventral vertebrae western North Atlantic Zool