The absence of setae and the great secondary annulation render the mapping of the segments a subject of some difficulty. [Please select]
0
Anderson placed the latter in a separate species on account of the non-annulation of its hair. [Please select]
0
Bennetti_--first by colour, and secondly by the greater length and more strongly marked annulation of the horns of the female. [Please select]
0
The two most noteworthy characters of the zooecia are (i) their truncated appearance when the polypide is retracted, and (ii) the conspicuous, although often irregular external annulation of their walls. [Please select]
Do you have a better example in your mind? Please submit your sentence!