河南省药用无脊椎动物的初步研究

本文报道了分布于河南省的药用无脊椎动物（不包括昆虫）６４种，并简要记述了其分布及效用．

青岛海滨动物名录

本文记载了青岛海滨动物11门24纲45目105科157种。

进化论在进化

进化论是研究进化原因的学科.它不说明何者由何变来,这是系统学的任务.它说明何者因何原因由他者变来.但问题不尽于此,因为并非任何一个何者变他者的过程都属进化,还可能是特化、退化.如果不能从原因上判别它们,进化论就会流于一般的适应论.

Feeding Habits of the Bogue, Boops boops （Linnaeus, 1758） （Teleostei： Sparidae）in Benghazi Coast, Eastern Libya

The feeding habits of 500 specimens ofBoops boops （family： Sparidae）, inhabiting Benghazi Mediterranean coast, were studied monthly from November 2012 to October 2013. The annual diet composition, monthly variations in the diet composition, the variations of diet with length and the intensity of feeding were studied. Boops hoops feed on a wide variety of prey types： Crustacean （49.0%）, Porifera （22.7%）, Coelenterate （10.2%）, Seagrasses （9.2%）, Mollusca （8.1%） and Protozoa （0.9%）. The Crustacean, Porifera, Coelenterate, Seagrasses and Mollusca were the major food item all year round and it was found in all length groups. In the present study, Crustacean, Porifera, Seagrasses and Mollusca increased as the size increased while Coelenterate and Protozoa decreased as the fish size increased. The feeding intensity was quite high during the autumn and summer.

深海里的美丽与浪漫——偕老同穴

说起海绵,大家想到的是不是生活中常用的各种海绵用品,如清洁绵、沙发和床垫?其实,大自然中有一种天然海绵——海绵动物。它们有的像工业海绵那样柔软,有的却十分坚硬。它们在贫瘠的深海为其他生物撑起一片生活的天地;还有的,完美地诠释了美丽和浪漫。