Dimensions of long‐nosed Chimaera Harriotta Raleighana from New Zealand

The proportional dimensions of 66 adult specimens of Harriotta raleighana Goode & Bean, 1895 (Holocephali: Rhinochimacridae) from New Zealand are summarised; in both sexes there is considerable variation in proportions. Within the size range of the sample, the snout region of males is proportionately longer than that of females, and growth of the snout is negatively allometric in both sexes. Meagre data suggest that similar sexual dimorphism and allometry occur in North Atlantic specimens, though very large and very small specimens do not fit an extrapolation of the New Zealand data. None of the New Zealand males has the snout tip upturned and armed with large rounded knobs as described for North Atlantic males.     

文化地理学视野中的民间文化与流行文化关系——以Hip Hop的演化为例

采用文献回顾法、资料归纳法,从文化地理学的视角出发,探讨了HipHop的起源、扩散及其向流行文化的转变过程：HipHop起源于20世纪70年代的美国黑人社区,折射出了美国少数民族受失业、教育不公等社会问题困扰的现实。由于受青年亚文化的认同等因素的影响,HipHop在美国的大城市得到了迅速的扩散。在全球化、大众媒体以及商业促销手段等因素的综合作用下,作为民间文化的HipHop完成了向流行文化转变,并最终演变成一种时尚文化和一股政治势力,对全球的消费市场和美国的选举制度等产生重要影响。