11. Although the Snubfin dolphins share similar external features with the Monodontidae ( narwhal ), 12. Recognisable external features are the vertical mast and the sleek sides of the bridge. 13. Its most telling external feature is the phallus. 14. No external features distinguish the two sexes. 15. The most striking external feature was the elaborate four storey carved stone gateway fronting the Strand. 16. Males in these species developed external features absent in females that are advantageous in combat or display. 17. The gross external features used identify the rabbit include weight, coloration, coat texture and length. 18. The F7 differed from the F3 primarily in internal equipment ( mostly electrical ) and some external features . 19. External features include a smooth nose contour, Mach 0.85, equivalent to at typical cruise altitudes.20. Two distinguishing external features of the UC-43 are the circular automatic direction finder R-985 engine.
