. Discovery reports. Discovery (Ship); Scientific expeditions; Ocean; Antarctica; Falkland Islands. THE APPENDAGES, THEIR INTERRELATION AND FUNCTION 303 as already mentioned, show sexual dimorphism and specific variation in their armature, and may have some special secondary sexual function. The fact that in some species, even in the male, their free tips have a structure similar to the sensory tube-setae may mean that they also are sensory. 1° ks sh. Fig. 1. Conchoecia borealis antipoda. Right antennule from inside. A, female; B, male with frontal organ, frontal organ; hooked seta;

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. Discovery reports. Discovery (Ship); Scientific expeditions; Ocean; Antarctica; Falkland Islands. THE APPENDAGES, THEIR INTERRELATION AND FUNCTION 303 as already mentioned, show sexual dimorphism and specific variation in their armature, and may have some special secondary sexual function. The fact that in some species, even in the male, their free tips have a structure similar to the sensory tube-setae may mean that they also are sensory. 1° ks sh. Fig. 1. Conchoecia borealis antipoda. Right antennule from inside. A, female; B, male with frontal organ, frontal organ; hooked seta; sh, shaft; a and c, tube setae; b and d, secondary setae (tube setae in female); e, principal Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Institute of Oceanographic Sciences (Great Britain); National Institute of Oceanography of Great Britain; Great Britain. Colonial Office. Discovery Committee. London ; New York : Cambridge University Press

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Keywords: ., bookcentury1900, booksubjectocean, booksubjectscientificexpediti